Cura LulzBot Edition User Manual
Contents
1. 0 C set i gt ARARARARARARARARARARA oooO oOo u 338 oon TR ININTW C set Tal f i ll f Figure 1 11 Control Screen 1 6 Removing Your First Print After your first print has finished you need to wait for the part to cool down Your parts will be easier to remove if you allow your heated bed to cool down to optimal temperature This will allow the plastic to contract 15 Cura making it easier to remove Your print bed will move forward once it is ready to be removed Once your heated bed has cooled use the blue handled knife that was included with your printer to remove the item Carefully insert the blade of the knife between your print and heated bed Once underneath the part rotate the blade lifting with the sharp edge into the part to gently pop the piece off your plate 1 7 Full Settings Full settings should not be used until enough experience with 3D printing has been gained to feel comfortable with all aspects of the printer and its operation The simple settings will provide good results for most models The first time Cura is launched it will default to the Quick Print interface In order to have more control of your slicing and Gcode generation switch to Full Settings Select Expert gt Switch to full settings The following tabs will now be available Basic Advanced Plugins and Sta2. If you have further questions e mail our support team at support lulzbot com Please completely read this man ual before contacting for support questions or help The latest version of this information guide is also available at http download lulzbot com You can also find more information including images videos and updated versions of this manual in the Support section of LulzBot com 3 2 Community Community Support and Resources e LulzBot forum forum lulzbot com e IRC chat rooms on the irc freenode net server reprap Highly active community chat room where help can easily be found e RepRap org forums forums reprap org 36 Contact Information Contact Information 4 1 Support Email support LulzBot com Phone 1 970 377 1111 x610 4 2 Sales Email sales LulzBot com Phone 1 970 377 1111 x600 4 3 Websites Aleph Objects Inc the makers of LulzBot 3D Printers www AlephObjects com LulzBot 3D Printers and parts www LulzBot com forum LulzBot com 38 Index A Adhesion Type 24 Advanced Options 25 Airgap 35 B Base Line Width 35 Base Thickness 35 Basic Options 21 Black Magic 33 34 Bottom Layer Speed 27 Bottom Thickness 22 Brim 12 24 34 C Combine Type A 36 Combine Type B 36 Combing 30 community support 40 Control 19 Cooling 32 Cura 10 Custom Gcode 29 Cut Off Object 26 D download 38 driver 10 Dual Extrusion Overlap 26 39 E Enablin
3. Structure Type You can choose between a Grid or a Line pattern for your support material The grid will be a checkerboard pattern in the X and Y direction The 28 1 17 BLACK MAGIC line option will produce lines in along the y axis for support The grid will provide stronger support than the line option but will be harder to remove Overhang Angle for Support This will determine where support material is generated In general you will be able to print a model with 45 to 90 degree angles in relation to the bed without support We recommend leaving this setting at 45 Fill Amount This will determine how dense your support material is printed similar to Infill Percentage The higher percentage the better support but it will be harder to remove the support material and will use more material Distance X Y This will determine how far away from your object in the X Y plane that the support material is being placed Distance Z This will determine how far away your support material is from your object in the vertical direction A smaller number here makes for better support but makes it harder to remove 1 17 Black Magic This section allows you to transform your model into a hollow shell a single layer thick Spiralize the Outer Contour This causes your Z axis to be constantly moving upward as printing your single outer wall shell The results are no layer change lines giving a much smoother surface This setting is
4. specific options for your retraction skirt active cooling infill support brim raft and special settings To gain access to this section you go to Expert gt Open Full Settings or on your keyboard press Control E 25 Cura Expert config Retraction Support Minimum travel mm 1 5 Structure type Lines Enable combing g Overhang angle for support deg 45 Minimal extrusion before retracting mm 0 02 Fill amount 30 Z hop when retracting mm 0 1 Distance XY mam oF Skirt Distance Z mm 0 05 Line count 1 Black Magic Start distance mm 3 0 Spiralize the outer contour Minimal length mm 250 Only follow mesh surface Cool Brin Fan full on at height mm 2 Steins amoung ao Fan speed min 60 Raft Fan speed max 80 Extra margin mm 5 0 Minimum speed mm s 10 Line spacing mm 3 0 Cool head lift Base thickness mm 0 3 Infill Base line width mm 1 0 Solid infill top Y Interface thickness mm 0 27 Solid infill bottom Wi 2 Interface line width mm 0 4 Infill overlap 15 Airgap 0 5 Surface layers 2 Fix horrible Combine everything Type A 2 Combine everything Type B Keep open faces Extensive stitching Ok Figure 1 17 View Expert Settings 1 13 Retraction Retraction pulls filament out of your nozzle when it is not extruding to prevent your print head from dripping on your object This section is where you will control how your extruder retracts its filament Minimum Travel This sets th
5. your 3D printer The printer host software not only allows you to manually move the printer along all the axes but set temperatures manually send commands and receive feedback error messages from the onboard electronics We recommend that new users start with Cura as it includes a slicing engine as well Slicers These programs take the 3 Dimensional model typically STL OBJ etc and determine the 3D printer toolpath based on the options selected The slicing engine uses the nozzle diameter printing and movement speeds layer height and other variables to determine the coordinates where it needs to move and the rates at which it will do so This information is exported out of the program as a gcode file The gcode file is a plain text file with a series of text based codes and a list of the complete X Y and Z axis coordinates used for printing the 3D model We recommend that new users start with Cura as it includes the printer host as well Setup Cura Cura is available for download on our website at https www lulzbot com support downloads When installing it is recommended to uninstall any previous versions of Cura you may have been using When first opening Cura you will be prompted to go through the First run wizard This will consist of selecting your printer It is important to select the correct printer as Cura uses custom profiles and machines settings based upon which printer you are running 1 2 Installing Drivers Linux a
6. CURA LULZED LULZBOT Aleph Objects Inc Contents 1 Cura 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 Cura Installing Drivers Quick Print Settings View Options Starting Your First Print Removing Your First Print Full Settings Basic Tab Options Advanced Tab opus Plugins Start and End Gcode Settings Expert Settings Retraction Skirt Cool Support Black Magic Brim Raft Fix Horrible 2 Hardware and Software Source Code 3 3D Printer Support 3 1 3 2 4 1 LulzBot Community Contact Information Support ii 10 10 11 15 19 19 20 21 25 28 29 29 30 31 32 32 33 34 34 36 37 39 40 40 41 42 4 2 Sales 4 3 Websites Index Glossary CONTENTS iii 42 42 43 49 List of Figures 1 1 Quick Print Settings 1 2 Options after selecting model 1 3 Rotating your Model 1 4 Scaling your Model 1 5 View in Normal Mode 1 6 View in Overhang 1 7 View in Ghost 1 8 View in Xray 1 9 View in Layers 1 10 Viewing Specific Layers 1 11 Control Screen 1 12 View in Full Settings 1 13 Differences in Layer Heigh 1 14 Support Types gt 1 15 Cutoff Example 1 16 View of Plugins 1 17 View Expert Settings 11 13 14 15 16 16 17 17 18 18 19 20 21 23 26 28 30 Cura Cura 1 1 Cura Overview Printer Hosts Printer Host software is used to control
7. an geode Figure 1 10 Viewing Specific Layers 14 1 5 STARTING YOUR FIRST PRINT 1 5 Starting Your First Print Once you have your model profile and filament loaded it is time for your first print Control Connect your 3D printer to a computer using a USB cable power it on and select the Control button This will bring up your Pronterface user interface You will not be able to send any commands until the window title changes to Operational As soon as it is operational select Print This will start the printing process set the appropriate temperatures go through the auto leveling procedure and start printing your model Operational Temperature 21 Bed 21 tx Connect Print Cancel Motors Off lt echo Marlin1 0 0 echo Last Updated Nov 17 2014 09 15 31 A Compiled Nov 17 2014 echo Free Memory 4882 PlannerBufferBytes echo Hardcoded Default Settings Loaded echo Steps per unit echo M92 X100 50 Y100 50 Z1600 00 833 00 echo Maximum feedrates mm s echo M203 X800 00 Y800 00 28 00 E40 00 echo Maximum Acceleration mm s2 echo M201 X9000 Y9000 Z100 E1000 echo Acceleration S acceleration T retract echo M204 2000 00 T3000 00 echo Advanced variables S Min feedrate mm echo M205 S0 00 T0 00 B20000 X12 00 20 40 echo Home offset mm echo M206 X0 00 Y0 00 Z0 00 echo PID settings echo M301 P28 79 11 91 D108 51 DOWN EXTRUDE TEMPERATURE
8. ave found anywhere from 1mm to 3mm is a good starting range Initial Layer Thickness This will control how thick your first printed layer height is printed onto the heated bed Having a larger initial layer height will help prevent your part from popping off the plate Your LulzBot Mini auto leveling system could be affected if you change this from the standard profiles Adjust at your own risk Initial Layer Line Width This will control how wide your first extruded filament path is for the initial layer A wider line width will help with bed adhesion We have found 125 to be a good starting place For models with moving printed in place parts a smaller initial layer line width is recommended Your LulzBot Mini auto 21 Cura leveling system could be affected if you change this from the standard profiles Adjust at your own risk Cut Off Object Bottom mm This setting is used to help print models that were not specifically designed for FFF printing Specifically it is for models that do not have a flat surface to adhere to the plate It will sink your object Xmm into the build plate creating a nice flat surface to begin your print You can also use this option to remove the lower portion of your model File Tools Machine Expert Help Basic Advanced Plugins Start End GCode Machine Nozzle size mm 0 5 Retraction Speed mm s 20 Distance mm 3 Quality Initial layer thickness mm as Init
9. e minimum travel distance of your printhead in order to retract If your print head is not moving this far during travel moves it will not retract Combing This option prevents your print head from traveling over holes in the X Y plane when printing This will slightly increase print time but will prevent strings from getting caught on the holes during travel moves We recommend keeping this setting on 26 1 14 SKIRT Minimal Extrusion Before Retracting This will control the distance at which retraction occurs if the printing movement exceeds the minimum extrusion amount This will prevent a retraction move if your extruder has not put out Xmm of filament since its last retraction Z Hop When Retracting This will raise your print head Xmm while retracting This setting helps prevent ooze and strings from being deposited on your print 1 14 Skirt Skirt creates a line around the outside of your object Most commonly used to prime the extruder in order to prevent missed filament at the beginning of a print Leave this setting on Line Count This will define the number of loops the Skirt creates around the outside of your object Smaller models will require more loops to properly prime the extruder Start Distance This will define the distance away from your model that the skirt will be created If using as an envelope to prevent drafts it is recommended to be closer to your object Minimal Length This will defi
10. e same amount when you make a change to any of them To disable this select the lock in the lower section of the scaling window W D H 73 3 74 0 23 5 mm Figure 1 4 Scaling your Model 1 4 View Options This mode allows you to view your model in a variety of different ways This can be helpful for spotting issues before the print even starts Normal This is the standard view and shows the solid outer surfaces of the model Fig 1 5 page 16 11 Cura Figure 1 5 View in Normal Mode Overhang Overhang mode shows where your model may need support material In Fig 1 6 page 16 the red highlighted areas show overhangs and more severe angles and areas where support material is recommended Figure 1 6 View in Overhang 12 1 4 VIEW OPTIONS Ghost Ghost view mode makes the model translucent to allow you to see what is behind it Figure 1 7 View in Ghost Xray Xray is very similiar to Ghost mode It will alow you to see into objects ensuring that inner details are correct Figure 1 8 View in Xray 13 Cura Layers To view the toolpath of your print head and to ensure no skipped layers or gaps use this option Use the slide bar on the right hand side of the window to move up and down through the toolpath layers Ele Tools Machine Expert Help Basic Advanced Plugins Starv nd ccode s
11. ent We recommend keeping this on for all filament types and adjusting the retraction length and speed for the specific filament Bottom Top Thickness mm Also known as Surface Layers this will determine how thick the top and bottom layers are A larger number here will create a thicker top and bottom which can be helpful for strength bridging and quality purposes We recommend keeping this number as a multiple of your layer height Fill Density This number is expressed as a percentage 0 will give a completely hollow print while 100 will give you a completely solid object We have found that 20 to 40 fill density is functional for most prints Print Speed mm s Your overall printing speed can be adjusted here If no other speeds are determined in the later sections your printer will automatically default to this speed This speed will be different depending on what type of filament you are using Printing Temperature When using different filament materials you ll need to update the desired hot end and heated bed temperature Any temperatures specified here will be used to automatically set both the hot end and heated bed Your print will not begin until these temperatures are met The Mini 3D printer needs 18 1 8 BASIC TAB OPTIONS to have the temperature specified in order to run through the automatic bed leveling routine Support Type Some models will require support material in order to print properly Th
12. esh errors while keeping internal holes intact This can accidentaly fill in intentional internal holes Combine Everything Type B This will ignore all internal holes of the model and only focus on the external holes This is helpful when only the outside finish of the model is important Keep Open Faces This will ignore all manifold errors in the object It can create issues generating the Gcode as Cura does not know how to interpret the open holes This option should only be used if you are sure that the holes in the mesh are intended In general you should not use this option Extensive Stiching This causes Cura to automatically add triangle meshes in an attempt to fix manifold errors This algorithm will greatly increase Gcode generation time and may end up adding in un intended meshes It is recommended that you repair your model through Meshlab or your CAD program before attempting this option 32 Hardware and Software Source Code Hardware and Software Source Code Cura LulzBot Edition is a free libre hardware design All of the source files are available at https github com alephobjects cura manual including e The latest version of this document with TX source code 34 3D Printer Support 3D Printer Support 3 1 LulzBot For common technical support questions Cura LulzBot Edition please visit lulzbot com support Also visit forum 1lulzbot com for support and tips from the LulzBot community
13. g Cooling Fan 28 Expert Settings 29 Extensive Stiching 36 Extra Margin 34 F Fan Settings 32 Fast Quality 12 filament 12 Filament Diameter 24 Fill Amount 33 Fill Density 22 First Print 19 Fix Horrible 36 Flow Rate 24 forums 40 Freenode 40 Full Settings 20 G Ghost 17 H High Quality 12 I Infill Speed 27 Initial Layer 25 Initial Layer Width 25 Inner Shell Speed 27 Installation 10 Interface Line Width 35 Interface Thickness 35 IRC 40 L latex 38 Layer Height 21 Layers 18 Line Count 31 Line Spacing 35 Load Model 13 Loading Profile 21 M Material Selection 12 Medium Quality 12 Minimal Layer Time 27 Minimum Travel 30 Minmal Length 31 N Nozzle Size 25 O Open Faces 36 Orientation 13 Outer Shell Speed 27 Overhang 16 Overhang Angle 33 P Pause at Z Height 29 Plugins 28 Print Speed 22 Printing Temperature 22 Q Quick Print Profile 12 INDEX Quick Print Settings 11 R Raft 24 34 Removing a Print 19 RepRap 40 Resolution 12 Retraction 22 30 Retraction Distance 25 Retraction Speed 25 S Shell Thickness 22 Skirt 31 source code 38 Spiralize 33 Start Distance 31 STL 13 Support 33 Support Material 12 32 Support Settings 32 Support Type 23 Surface Layers 35 T technical support 40 Top Thickness 22 Travel Speed 27 Tweak at Z 28 V View Options 15 X Xray 17 Z Z hop 31 40 Colophon Created wi
14. ial layer line width 125 Cut off object bottom mm 20 Dual extrusion overlap mm 0 15 Speed Travel speed mm s 150 Bottom layer speed mm s 25 Infill speed mm s 55 Outer shell speed mm s 45 Inner shell speed mm s 50 Cool Minimal layer time sec 20 Enable cooling fan Y Figure 1 15 Cutoff Example Dual Extrusion Overlap This will determine how far your Dual Extruders will overlap when laying down material This will help adhesion between the two different colors or types of filament This setting is only used when the printer is equipped with two hot ends and extruders 22 1 9 ADVANCED TAB OPTIONS Travel Speed This setting will determine how fast your print head moves while not ex truding filament A normal travel speed of 125 150mm s is recommended Bottom Layer Speed This will control your initial layer speed In general a slower initial layer speed will help with first layer adhesion Infill Speed This is how fast your print head speed will be while laying down the interior portion of your model Faster speeds are usually tolerable here as none of the infill will be visible from the outside of your object If you go too fast compared to your inner and outer shells you can have adhesion issues or globs of filament left behind from the printhead Outer Shell Speed This will be the outermost surface of the model This is the most important setting as it control
15. is will usually occur when an object has an angle in relation to the build plate between 0 to 45 degrees It is highly recommended to orient your object so that it minimizes or eliminates the need for support Touching Buildplate This causes the support material to build up between the heated bed and the object The red example is Touching Buildplate Everywhere This prints support material between the heated bed and object as well as between the object and itself The green example is Support Everywhere Figure 1 14 Support Types 19 Cura Platform Adhesion Type Some models have a small surface area contacting the plate This can create adhesion issues causing your part to pop off at some point during the print To fix this use either Brim or Raft Raft is better used when a model has small heated bed contact points and overhangs Brim Brim will create a single layer of filament contacting and surrounding your model This will increase the surface area of the part contacting the build platform thereby preventing it from popping off the heated bed Brim will also help in situations where you are seeing corner lift Brim settings can be adjusted in the Expert Settings options Raft Raft will generate a layer of material underneath your object Raft was more often used before the addition of heated plates to increase surface area Raft settings can be adjusted in the Expert Settings options Filament Diameter The fila
16. ll spacing makes the support structures closer together improving strength of the raft but uses more material Base Thickness This defines how thick your raft will be Base Line Width This will define how wide your support material is for the raft This setting will determine how well the surface layers of the raft print Interface Thickness This will determine how thick the surface layers of the raft are The surface layers are the platform that is built upon the supports Interface Line Width This will determine how wide the top layers of the platform will be In general you can keep this set to your nozzle size as surface quality of the removable raft is not important Airgap This will define the distance between your raft and your print A larger gap will make your part easier to remove but will make the bottom of your print look worse Surface Layers This will determine the number of layers that create the platform of your raft If you have a wide line spacing you may want to increase this number to ensure a solid platform 31 Cura 1 20 Fix Horrible These are some of the more advanced and experimental options They are designed to help repair models with errors to make them suitable for 3D printing They do not always work Please be cautious when using these options as they can have unintended effects on your print quality Combine Everything Type A This will attempt to fix all external m
17. ment diameter setting is one of the more important settings Make sure that you update this value periodically with your average filament diameter While your filament may be referred to as 3mm it is more likely going to be near 2 9mm 0 1mm You will want this to be an accurate average as it will allow your printer to correctly calculate how much filament it is pulling into the hot end Filament Flow This controls how much filament your printer is extruding in relation to speed This setting is mainly used to adjust for filament density variations Leave this value at 100 as changing it can lead to surface quality issues 20 1 9 ADVANCED TAB OPTIONS 1 9 Advanced Tab Options Nozzle Size mm This defines your nozzle size The slicing engine uses this value combined with your other settings to determine how quickly to feed filament into your hot end The Mini ships with a 0 5mm nozzle Retraction Speed mm s Retraction Speed determines the speed at which your filament is reversed out of the hot end for travel moves and when changing direction during printing We recommend keeping this set to 25mm s Retraction Distance Retraction Distance determines how much filament is pulled out of your hot end on travel moves and when changing direction You will want to adjust this depending on temperature settings and filament type Higher thermal retaining filaments such as PLA behave better with a longer retraction distance We h
18. nd Mac OSX users will not need to install a driver to communicate with the Mini 3D printer Windows users will need to install the drivers 1 3 QUICK PRINT SETTINGS Using Cura as your printer host and slicing software is recommended as the drivers will automatically be installed The drivers can also be downloaded from LulzBot com support downloads A visual guide showing the driver installation process can be found in our download section as well e Download the appropriate installer for your computer operating system e Install Cura by double clicking on the installer e Select Lulzbot Mini e Once the proper printer is selected select Next Once the installation wizard finishes you can move forward with your first print 1 3 Quick Print Settings Figure 1 1 Quick Print Settings After setting up Cura for the first time you will be shown the main interface screen Fig 1 1 page 11 Cura Selecting a Quick Print Profile The print quality settings can be found in the top left hand corner of the window For most filaments there will be High Quality Normal Quality or Fast Quality options Some of the more exotic filaments may only have a Normal Quality profile High Quality Designed to give greater detail and finer objects This will have a smaller layer height which will make each layer thinner so that curves seem more natural and walls seem less noticable This setting will also require more layers to be laid d
19. ne the minimum extruded line length for the skirt This will over ride your line count producing as many lines as required to reach the minimal length 27 Cura 1 15 Cool This section will define how your extruder cooling fan will operate during the print Your fan will not start until it has reached 25 or higher for speed settings If your print speeds are slowed down due to minimal layer time the fan will run between minimum and maximum speed based upon how much the layer is slowed down Fan on at Full Height This is your Z height where your fan will be turned on to its minimum percentage setting Especially helpful with high temperature retaining filaments such as PLA This will be scaled between 0 and your minimum fan speed based upon layer height with it being disabled for the first layer Fan Speed Min This will be the speed your fan runs when enabled at full height Once the Z height is reached for Fan on at Full Height this will be the speed your fan runs at Fan Speed Max This is the fastest speed at which your fan will ever run When your print speed is slowed down due to minimal layer time your fan will run between minimum and maximum speed The maximum fan speed is reached when your printer must be slowed by 50 or greater 1 16 Support You define how your support material is generated here You must have some form of support turned on in the basic settings in order for these settings to have an effect
20. ng on the model and dragging it to the desired location The black outlined corner represents the lower left hand corner of the build plate on your printer You can also Right Click and hold in the build screen to view your model from different angles Figure 1 2 Options after selecting model Cura Rotate The Rotate button will give you the ability to orient your model in along all three axes Once you click the rotate button three circles will surround your model The red circle will allow you to rotate around the Z axis The Yellow circle will rotate around the Y axis The Green circle will rotate around the X axis Figure 1 3 Rotating your Model Lay Flat The Lay Flat button will ensure that the flat portion of your print is securely attached to the bed It is highly recommended to use this option after rotating your model in the Z direction as it will help prevent adhesion issues during the print Reset The Reset button will return your model to the original orientation as defined by the CAD program used to create the model 10 1 4 VIEW OPTIONS Scale The Scale button displays the model dimensions along with the ability to scale along the X Y or Z axes Anything below the number 1 0 will reduce the objects size while anything above the number 1 0 will increase the objects size As a default it will be set to uniform scaling This will cause the X Y and Z axes to be scaled by th
21. ou want to make a change Then choose how you would like to change your settings You can alter temperatures fan speeds 24 1 11 START AND END GCODE SETTINGS and print speeds Fine tuning these for specific STL files can produce cleaner prints Pause at Z Height Pause your print at a specified height You can also specify where to move the print head and how much filament to retract This will prevent blobs from accumulating on your print while paused This setting is most commonly used when switching colors of filaments in the middle of a print 1 11 Start and End Gcode Settings Custom Gcode allows for complex automatic printer movements and operations By adding custom Gcode into the start or end of your file you can alter how it prints A comprehensive list of Gcode commands can be found here http reprap org wiki G code We recommend new users to leave this as provided in the profiles at https www lulzbot com support downloads Mini Specific Considerations Please be cautious when changing any of these start and end gcode settings This is where your Auto Bed Leveling commands are stored If improperly altered your printer will no longer automatically compensate for the heated bed position and can even potentially damage components on the printer If you are uncertain of the change you are trying to make please contact us at Support LulzBot com before hand 1 12 Expert Settings Expert settings will give you more
22. own increasing overall print time Medium Quality Designed to give a medium resolution by increasing the layer height and print speeds This will make the organic curves slightly more step like than the fine setting but will reduce printing time Fast Quality Designed for the fast prints where overall model finish is not of concern Most commonly used for quick iteration of designs found in rapid prototyping Material Selection Choose your desired filament The Lulzbot Mini ships with a 1 meter sample of HIPS that should be used in your first print Printing Support Material The Mini 3D printer is able to print models that have angles and overhangs even without support material depending on the overhang distance and angle Turn this option on if your model could benefit from support material Brim Brim is used to increase surface area of the part your printing thereby ensuring proper part adhesion This will print a single layer high edge 1 3 QUICK PRINT SETTINGS around the outside of the part helping first layer adhesion and minimizing warping Load Model File Select the model you would like to print Either use the Load Model button or select File gt Load Model Once the file has been loaded you will see a 3D rendering of your object on the build platform Select the model to see the various options Model Orientation Move your model to change where it is printed on the build plate Do this by left clicki
23. rt End Gcode You will also have access to the Expert Settings Figure 1 12 View in Full Settings 16 1 8 BASIC TAB OPTIONS Loading a Profile When you first switch to Full Settings Cura will revert to very generic settings We recommend using our tested profiles that are available here https www lulzbot com support downloads You will want to choose the profile that matches your filament and quality needs Once downloaded you can load the file into Cura by selecting File gt Open Profile Choose your desired profile This will automatically update all of your settings for use with your printer 1 8 Basic Tab Options Layer Height The thickness of each printed layer is known as the Layer Height The smaller the layer height the smoother curves will appear Larger layer heights are better for bridging and overhangs Smaller layer heights will also increase print time as it will take more layers to complete the object Figure 1 13 Differences in Layer Height 17 Cura Shell Thickness This defines the number of vertical walls that comprise the outside of your model We recommend keeping this set to multiples of your nozzle width Your Mini 3D printer is equipped with a 0 5 mm nozzle Enable Retraction Retraction tells your printer to pull filament out of the hot end upon travel moves Travel moves are when your print head moves from one area of the print to another without laying down filam
24. s the speed of your print head on the visible layers As a general rule of thumb the slower you go the better looking print you will get Inner Shell Speed This affects vertical walls that are in between the outer shell and infill This will not be visible but will help support the outer shell and the infill We recommend keeping this speed setting between your infill and your outer shell speed Minimal Layer Time This will determine a minimum amount of time your printer will spend laying down each layer If your layer print time falls below this your printer will automatically slow down to reach this time before moving onto the next layer Tweaking this can help get cleaner crisper prints 23 Cura Enable Cooling Fan Enables operation of your extruder s active cooling fan The fan settings can be adjusted in the Expert Settings options 1 10 Plugins Plugins are custom settings which will alter your print at specific points The two that come pre loaded with Cura are Tweak at Z and Pause at Height More plugins and information can be found here http wiki ultimaker com Category CuraPlugin To activate one of these highlight the desired plugin and click the drop down arrow directly below the Plugins box jan 36 mies 2 50 meter grama Open plugin location Figure 1 16 View of Plugins Tweak at Z Make basic changes at specified Z heights You can determine the Z height or layer count at which y
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26. typically only used for artistic objects as they will be fragile 29 Cura Only Follow Mesh Surface This will cause your print to follow the outside of your model building it completely hollow with a single wall outer shell The only difference between this and Spiralize is that the Z axis moves regularly That is it prints a layer and then moves up to the next one 1 18 Brim Brim circles the base of the print while making contact helping adhere the print to the heated plate This is only one layer thick and easily removed post print This section defines how the brim is formed when brim is activated in basic settings Brim Line Amount This will determine the distance the brim will cover around the outside of your object The more brim used the better your part will adhere to the plate 1 19 Raft Raft is a platform built underneath your object designed to help adhesion and prevent warping It will lay down support material and then a platform on top of the supports Your model will be built on top of this platform The bottom surface of your printed part will not be as clean or as even when using this option Raft is typically not recommended Extra Margin This determines the distance around the outside of your object that the raft is created Can be helpful for ensuring no warping of the lower layers 30 1 19 RAFT Line Spacing This will determine the spacing between support lines for the raft A sma
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