Slicer parameters

Sets the spacing between the lines of a raft's base layer.

Sets the length of the zig-zag pattern that forms the base of a raft.

Angle of the raft base layer(s), measured counterclockwise from the positive X axis.

A higher value will result in the lines of a raft's base layer being printed closer together; a lower value will result in lines printed farther apart. MakerBot recommends values between 0.80 and 0.90.

Sets extrusion width on the base layer(s) of a raft. Should be much wider than your nozzle width.

Sets the layer height on the base layer(s) of a raft. Should be much higher than your normal layer height.

The base layer of the raft is printed slowly, with thicker extrusion. More layers can help the raft stick if your build platform is very uneven.

Angle of the raft interface layer(s), measured counterclockwise from the positive X axis.

A higher value will result in the lines of a raft's interface layer being printed closer together; a lower value will result in lines printed farther apart. MakerBot recommends values between 0.20 and 0.50.

Sets extrusion width on interface layers. This should be equal to or greater than the nozzle width.

Sets the layer height for interface layers.

The interface is the middle section between the raft base and the raft surface. This setting determines how many interface layers are printed.

Sets how many shells are printed on raft surface layers. Additional shells may make the raft easier to remove.

Angle of the raft surface layer(s), measured counterclockwise from the positive X axis.

Sets layer height for raft surface layers. MakerBot recommends values close to the default layer height.

Your printed object will rest on the surface layers of the raft. This setting determines how many surface layers are printed.

Sets how far the surface fill overlaps the innermost shell. A lower setting will result in more overlap.

When set to true, the slicer will make sure that lines of extrusion that bridge gaps will always run between stable anchor regions. When set to false, none of the bridging settings below will be used.

A bridge is section of a print that is supported at both ends but not in the middle. If a bridge is longer than the length set here, the slicer will treat it like an unsupported overhang instead.

The bridge anchor settings determine which sections on an object can be used as stable anchor regions. If an anchor region is too narrow or too shallow, it will not provide a large enough base for the end of your bridge. Sections of your object narrower than the value set for bridgeAnchorMinimumLength or shallower than the value set for bridgeAnchorWidth will not be used as anchor regions.

The bridge anchor settings determine which sections on an object can be used as stable anchor regions. If an anchor region is too narrow or too shallow, it will not provide a large enough base for the end of your bridge. Sections of your object narrower than the value set for bridgeAnchorMinimumLength or shallower than the value set for bridgeAnchorWidth will not be used as anchor regions.

Lines of extruded plastic on the first layer of a bridge are narrower than lines of extrusion that rest on another layer because they cannot be squashed into a lower layer. This setting offers the opportunity to print those lines closer together, so that they can overlap. MakerBot Desktop determines the amount of overlap by multiplying extrusion width by the value set for bridgeSpacingMultiplier and using that value as the expected extrusion width. This results in the slicer spacing the lines of extrusion as if they are smaller than they actually are. This feature is experimental and may not be helpful. To have the lines on the first layer of a bridge print with normal spacing, set bridgeSpacingMultiplier to 1.00.

Determines how solid the infill is. A setting of 0.00 results in a hollow object and a setting of 1.00 results in a solid one.

Sets the infill pattern for your print. The default hexagon pattern is strongest.

Orientation angle to rotate per layer for linear infill in degrees.

Orientation angle offset applied to the orientation range.

Orientation angle range (inclusive) for linear infill in degrees.

Sets how far the infill overlaps the innermost shell. A lower setting will result in more overlap.

Orientation angle to rotate per layer for solid fill in degrees.

Orientation angle offset applied to the orientation range.

Orientation angle range (inclusive) for solid fill in degrees.

When enabled, this setting overrides the floorThickness setting and sets floor thickness to a specific number of layers. To disable this setting, change the setting name to floorLayerCount_disabled.

Sets the thickness of you model's solid floor.

Extending roofs inside solid regions to support shells from layers above can help shells on sloped surfaces stay in place.

When enabled, this setting overrides the roofThickness setting and sets roof thickness to a specific number of layers. To disable this setting, change the name of the setting to roofLayerCount_disabled.

Sets the thickness of your model's solid roof.

Amount of feedstock to extrude at start of anchor (mm).

Speed at which to make the anchor blob.

This setting defines the extrusion width of the portion of the anchor connecting the initial blob to the object or raft.

When set to true, the settings below will be used to create single walls where necessary. If set to false, sections of your object that are so thin that they require only a single extrusion width will not print at all.

Internal spurs are spurs that appear inside the outlines of your object. Sections of a print that narrow to a point will often result in internal spurs on inner shells. When set to true, segments of single extrusion width will be used to fill the gaps between two shells where possible. This feature is experimental.

Spur segments that are shorter than the value defined in this setting will be eliminated from the final toolpath.

These settings allow you to specify when spurs will be used. Spurs will not be used for sections wider than the maxSpurWidth or more narrow than the minSpurWidth. Sections wider than the maxSpurWidth will accommodate multiple extrusion widths. Sections narrower than the minSpurWidth will not be printed.

This setting allows spurs that almost touch to join by extending them by the amount set here.

These settings allow you to specify when spurs will be used. Spurs will not be used for sections wider than the maxSpurWidth or more narrow than the minSpurWidth. Sections wider than the maxSpurWidth will accommodate multiple extrusion widths. Sections narrower than the minSpurWidth will not be printed.

Determine if your model is printed with purge walls. Recommended for dual extrusion prints.

Sets the maximum length of the side of the purge wall.

Sets the extrusion width on the purge wall's base layer.

The purge wall is built on a base layer. Set a lower value for the lines of that layer to be close together. Set a higher value for lines that are farther apart.

Sets the width of the pattern that forms the base layer of the purge wall.

Sets the minimum distance between the edge of your model and the purge wall.

Sets the width of the diamond pattern that forms the purge wall.

Sets the distance between adjacent purge wall. MakerBot recommends distances between 1.00 and 3.00 mm.

Sets extrusion width for the main part of the purge wall.

Sets the maximum length of the front of the purge wall.

When you use the MakerBot Slicer with MakerBot Desktop, you will assign objects to different extruders using the «Object Information» menu. When you call the MakerBot Slicer manually, this setting will determine which extruder will be used to build your object. On a machine with dual extruders, 0 is the right toolhead and 1 is the left toolhead. On a machine with a single extruder, the single toolhead is 0.

Sets default temperature for a single or right side extruder.

Two sections enclosed in braces under extruderProfiles allow you to change a number of settings for each of two extruders. If your MakerBot 3D printer has two extruders, the settings enclosed in the first set of braces apply to the right extruder and the settings enclosed in the second set of braces apply to the left extruder. If your MakerBot 3D printer has a single extruder, your extruder profile is the one enclosed in the first set of braces and the one in the second set of braces can be ignored.

Sets default temperature of for a left side extruder.

Lets you change the starting height of the extruder relative to the build plate.

Extrusion profiles allow you to specify different settings for certain components of your prints, such as infill and inner shells.

Turning the fan off during long travel moves reduces stringing. This value specifies whether this technique is applied.

This is the fraction of time in the fan modulation time window that must be spent extruding (not traveling) for the fan to turn on. Smaller values prefer the fan to be on, larger values prefer the fan to be off. Setting this value to 0.00 is equivalent to having the fan be always on, and setting it to 1.00 is equivalent to having the fan be always off.

A time window used for modulating the fan. Smaller values cause the fan to switch on and off more frequently. Larger values will ignore some fast and short travel moves to switch the fan less frequently.

Allows you to set an extruder fan speed. MakerBot 3D printers do not use this setting.

Turns on the active cooling fan during a print.

Layer to start using active cooling.

Select if you wish areas with small details and tight curves to be printed at a lower speed.

If true, gradually slow down over the detection window. If false, immediately change to the slower speed.

Toggles dynamic speed for shells other than the othermost.

Toggles dynamic speed for the outermost shell.

The dynamicSpeedCurvatureThreshold setting combines with the dynamicSpeedDetectionWindow setting to determine how tight a curve must be to trigger a reduction in speed. If the average change in angle over the distance set in dynamicSpeedDetectionWindow is larger than the number of degrees per millimeter set in dynamicSpeedCurvatureThreshold, the slicer will slow down that portion of the toolpath.

The distance along the path we see at one time. Smaller values are good for only slowing down around small, tight details. Larger values will detect detail over a longer distance, slow down earlier, and speed up later, but can miss some very small details.

How much slower than normal speed to print small, tight details.

When we transition between speeds, we can do linearly or using an S-like curve. This value controls the amount the curve is shaped like a line vs the amount it is S-like. A value of 0.00 is linear transition, and a value of 1.00 is an S-like transition. Values between 0.00 and 1.00 control the amount of S-like-ness.

To smoothly transition from regular print speed to slower dynamic slowdown we do so over a certain distance. This setting configures that distance in millimeters. This value is rounded to the nearest increment of splitMinimumDistance.

When true, do not extrude between adjacent infill lines. Which lines are considered adjacent is determined by adjacentFillLeakyDistanceRatio.

Two fill lines are considered adjacent when the connection between them is shorter than the product of this value and the extrusion width.

When true, do not extrude when transitioning from one shell to another. This helps reduce blobbing with large numbers of shells.

For a connection to be made leaky, the lengths of the extrusion paths immediately before and after must exceed this value. This applies to connections between shells, support, and infill.

When set to true, the settings below will attempt to compensate for backlash. When set to false, none of the backlash settings below will be used. This feature is experimental and use may result in some slight distortion in printed objects.

When you use the backlashFeedback setting, MakerBot Desktop compensates for increasingly small amounts of error over distance. The remaining error gets smaller and smaller, but is never fully compensated for. This setting fixes this problem by ending the backlash compensation when the remaining error becomes so small as to be insignificant. When the remaining error is smaller than the distance in millimeters set here, the slicer will stop compensating for backlash.

MakerBot Desktop compensates for feedback gradually in order to reduce distortion. It will compensate for a certain amount of feedback over the distance set in splitMinimumDistance. The amount of feedback compensated for in each segment of the length set by splitMinimumDistance is a percentage inverse to the number set here. For example, if the default backlashFeedback setting is 0.90 and the default splitMinimumDistance is 0.40 mm, the slicer will compensate for 10% of the remaining feedback error over the first 0.40 mm after the change in direction. Then it will compensate for 10% of the remaining error over the next 0.40 mm. This will continue until the size of the error meets or falls below the distance set in backlashEpsilon. If backlashFeedback is set to 0.00, the entire error will be compensated for immediately.

These settings tell MakerBot Desktop how much backlash the slicer should be compensating for. To determine if backlash is present, print a 20 mm calibration box (available under «File» > «Examples» in MakerBot Desktop) and measure the length and width of the printed box. If either the width (X) of your box is less than 20 mm, subtract that value from 20. Divide that number by two and enter the result into the appropriate backlash setting.

These settings tell MakerBot Desktop how much backlash the slicer should be compensating for. To determine if backlash is present, print a 20 mm calibration box (available under «File» > «Examples» in MakerBot Desktop) and measure the length and width of the printed box. If either the length (Y) of your box is less than 20 mm, subtract that value from 20. Divide that number by two and enter the result into the appropriate backlash setting.

Enable precise control of speed at the end of paths to reduce stringing. Only works for 5th generation machines.

During exponential deceleration, the extruder speed will slow from its initial speed to the product of the initial speed and this number.