--help

Output this usage screen and exit

--version

Output the version of Slic3r and exit

--save <file>

Save configuration to the specified file

--load <file>

Load configuration from the specified file. It can be used more than once to load options from multiple files.

-o, --output <file> File to output gcode to (by default, the file will be saved

into the same directory as the input file using the --output-filename-format to generate the filename.) If a directory is specified for this option, the output will be saved under that directory, and the filename will be generated by --output-filename-format.

--repair

Repair given STL files and save them as <name>_fixed.obj

--cut <z>

Cut given input files at given Z (relative) and export them as <name>_upper.stl and <name>_lower.stl

--split

Split the shells contained in given STL file into several STL files

--info

Output information about the supplied file(s) and exit

-j, --threads <num> Number of threads to use (1+, default: 4)

--gui

Forces the GUI launch instead of command line slicing (if you supply a model file, it will be loaded into the plater)

--no-plater

Disable the plater tab

--autosave <file>

Automatically export current configuration to the specified file

--output-filename-format

Output file name format; all config options enclosed in brackets will be replaced by their values, as well as [input_filename_base] and [input_filename] (default: [input_filename_base].gcode)

--post-process

Generated G-code will be processed with the supplied script; call this more than once to process through multiple scripts.

--export-svg

Export a SVG file containing slices instead of G-code.

-m, --merge

If multiple files are supplied, they will be composed into a single print rather than processed individually.

--nozzle-diameter

Diameter of nozzle in mm (default: 0.5)

--print-center

Coordinates in mm of the point to center the print around (default: 100,100)

--z-offset

Additional height in mm to add to vertical coordinates (+/-, default: 0)

--gcode-flavor

The type of G-code to generate (reprap/teacup/repetier/makerware/sailfish/mach3/machinekit/smoothie/no-extrusion, default: reprap)

--use-relative-e-distances Enable this to get relative E values (default: no)

--use-firmware-retraction

Enable firmware-controlled retraction using G10/G11 (default: no)

--use-volumetric-e

Express E in cubic millimeters and prepend M200 (default: no)

--set-and-wait-temperatures Use M190 instead of M140 for temperature changes past the first (default: no)

--gcode-comments

Make G-code verbose by adding comments (default: no)

--filament-diameter Diameter in mm of your raw filament (default: 3)

--extrusion-multiplier

Change this to alter the amount of plastic extruded. There should be very little need to change this value, which is only useful to compensate for filament packing (default: 1)

--temperature

Extrusion temperature in degree Celsius, set 0 to disable (default: 200)

--first-layer-temperature Extrusion temperature for the first layer, in degree Celsius,

set 0 to disable (default: same as --temperature)

--bed-temperature

Heated bed temperature in degree Celsius, set 0 to disable (default: 0)

--first-layer-bed-temperature Heated bed temperature for the first layer, in degree Celsius,

set 0 to disable (default: same as --bed-temperature)

--travel-speed

Speed of non-print moves in mm/s (default: 130)

--perimeter-speed

Speed of print moves for perimeters in mm/s (default: 60)

--small-perimeter-speed

Speed of print moves for small perimeters in mm/s or % over perimeter speed (default: 15)

--external-perimeter-speed

Speed of print moves for the external perimeter in mm/s or % over perimeter speed (default: 50%)

--infill-speed

Speed of print moves in mm/s (default: 80)

--solid-infill-speed Speed of print moves for solid surfaces in mm/s or % over infill speed

(default: 20)

--top-solid-infill-speed Speed of print moves for top surfaces in mm/s or % over solid infill speed

(default: 15)

--support-material-speed

Speed of support material print moves in mm/s (default: 60)

--support-material-interface-speed

Speed of support material interface print moves in mm/s or % over support material speed (default: 100%)

--bridge-speed

Speed of bridge print moves in mm/s (default: 60)

--gap-fill-speed

Speed of gap fill print moves in mm/s (default: 20)

--first-layer-speed Speed of print moves for bottom layer, expressed either as an absolute

value or as a percentage over normal speeds (default: 30)

--perimeter-acceleration

Overrides firmware's default acceleration for perimeters. (mm/s^2, set zero to disable; default: 0)

--infill-acceleration

Overrides firmware's default acceleration for infill. (mm/s^2, set zero to disable; default: 0)

--bridge-acceleration

Overrides firmware's default acceleration for bridges. (mm/s^2, set zero to disable; default: 0)

--first-layer-acceleration

Overrides firmware's default acceleration for first layer. (mm/s^2, set zero to disable; default: 0)

--default-acceleration

Acceleration will be reset to this value after the specific settings above have been applied. (mm/s^2, set zero to disable; default: 0)

--layer-height

Layer height in mm (default: 0.3)

--first-layer-height Layer height for first layer (mm or %, default: 0.35)

--infill-every-layers

Infill every N layers (default: 1)

--solid-infill-every-layers

Force a solid layer every N layers (default: 0)

--perimeters

Number of perimeters/horizontal skins (range: 0+, default: 3)

--top-solid-layers

Number of solid layers to do for top surfaces (range: 0+, default: 3)

--bottom-solid-layers

Number of solid layers to do for bottom surfaces (range: 0+, default: 3)

--solid-layers

Shortcut for setting the two options above at once

--fill-density

Infill density (range: 0%-100%, default: 20%)

--fill-angle

Infill angle in degrees (range: 0-90, default: 45)

--fill-pattern

Pattern to use to fill non-solid layers (default: stars)

--external-fill-pattern Pattern to use to fill solid layers (default: rectilinear)

--start-gcode

Load initial G-code from the supplied file. This will overwrite the default command (home all axes [G28]).

--end-gcode

Load final G-code from the supplied file. This will overwrite the default commands (turn off temperature [M104 S0], home X axis [G28 X], disable motors [M84]).

--before-layer-gcode

Load before-layer-change G-code from the supplied file (default: nothing).

--layer-gcode

Load layer-change G-code from the supplied file (default: nothing).

--toolchange-gcode

Load tool-change G-code from the supplied file (default: nothing).

--seam-position

Position of loop starting points (random/nearest/aligned, default: aligned).

--external-perimeters-first Reverse perimeter order. (default: no)

--spiral-vase

Experimental option to raise Z gradually when printing single-walled vases (default: no)

--only-retract-when-crossing-perimeters

Disable retraction when travelling between infill paths inside the same island. (default: no)

--solid-infill-below-area

Force solid infill when a region has a smaller area than this threshold (mm^2, default: 70)

--infill-only-where-needed

Only infill under ceilings (default: no)

--infill-first

Make infill before perimeters (default: no)

--extra-perimeters

Add more perimeters when needed (default: yes)

--ensure-vertical-shell-thickness Add solid infill near sloping surfaces to guarantee the vertical shell thickness (top+bottom solid layers). (default: no)

--avoid-crossing-perimeters Optimize travel moves so that no perimeters are crossed (default: no)

--thin-walls

Detect single-width walls (default: yes)

--overhangs

Experimental option to use bridge flow, speed and fan for overhangs (default: yes)

--support-material

Generate support material for overhangs

--support-material-threshold

Overhang threshold angle (range: 0-90, set 0 for automatic detection, default: 0)

--support-material-pattern

Pattern to use for support material (default: pillars)

--support-material-with-sheath

Add a sheath (a single perimeter line) around the base support. This makes the support more reliable, but also more difficult to remove. (default: yes)

--support-material-spacing

Spacing between pattern lines (mm, default: 2.5)

--support-material-angle

Support material angle in degrees (range: 0-90, default: 0)

--support-material-contact-distance

Vertical distance between object and support material (0+, default: 0.2)

--support-material-xy-spacing

XY separation between an object and its support. If expressed as percentage (for example 50%), it will be calculated over external perimeter width (default: half of exteral perimeter width)

--support-material-interface-layers

Number of perpendicular layers between support material and object (0+, default: 3)

--support-material-interface-spacing

Spacing between interface pattern lines (mm, set 0 to get a solid layer, default: 0)

--raft-layers

Number of layers to raise the printed objects by (range: 0+, default: 0)

--support-material-enforce-layers

Enforce support material on the specified number of layers from bottom, regardless of --support-material and threshold (0+, default: 0)

--support-material-buildplate-only

Only create support if it lies on a build plate. Don't create support on a print. (default: no)

--dont-support-bridges

Experimental option for preventing support material from being generated under bridged areas (default: yes)

--retract-length

Length of retraction in mm when pausing extrusion (default: 2)

--retract-speed

Speed for retraction in mm/s (default: 40)

--deretract-speed

Speed for deretraction (loading of filament after a retract) in mm/s (default: 40)

--retract-restart-extra

Additional amount of filament in mm to push after compensating retraction (default: 0)

--retract-before-travel

Only retract before travel moves of this length in mm (default: 2)

--retract-lift

Lift Z by the given distance in mm when retracting (default: 0)

--retract-lift-above Only lift Z when above the specified height (default: 0)

--retract-lift-below Only lift Z when below the specified height (default: 0)

--retract-layer-change

Enforce a retraction before each Z move (default: no)

--wipe

Wipe the nozzle while doing a retraction (default: no)

--retract-length-toolchange

Length of retraction in mm when disabling tool (default: 10)

--retract-restart-extra-toolchange

Additional amount of filament in mm to push after switching tool (default: 0)

--cooling

Enable fan and cooling control

--min-fan-speed

Minimum fan speed (default: 35%)

--max-fan-speed

Maximum fan speed (default: 100%)

--bridge-fan-speed

Fan speed to use when bridging (default: 100%)

--fan-below-layer-time Enable fan if layer print time is below this approximate number

of seconds (default: 60)

--slowdown-below-layer-time Slow down if layer print time is below this approximate number

of seconds (default: 5)

--min-print-speed

Minimum print speed (mm/s, default: 10)

--disable-fan-first-layers Disable fan for the first N layers (default: 3)

--fan-always-on

Keep fan always on at min fan speed, even for layers that don't need cooling

--skirts

Number of skirts to draw (0+, default: 1)

--skirt-distance

Distance in mm between innermost skirt and object (default: 6)

--skirt-height

Height of skirts to draw (expressed in layers, 0+, default: 1)

--min-skirt-length

Generate no less than the number of loops required to consume this length of filament on the first layer, for each extruder (mm, 0+, default: 0)

--brim-width

Width of the brim that will get added to each object to help adhesion (mm, default: 0)

--scale

Factor for scaling input object (default: 1)

--rotate

Rotation angle in degrees (0-360, default: 0)

--duplicate

Number of items with auto-arrange (1+, default: 1)

--duplicate-grid

Number of items with grid arrangement (default: 1,1)

--duplicate-distance Distance in mm between copies (default: 6)

--dont-arrange

Don't arrange the objects on the build plate. The model coordinates define the absolute positions on the build plate. The option --print-center will be ignored.

--clip_multipart_objects

When printing multi-material objects, this settings will make slic3r to clip the overlapping object parts one by the other (2nd part will be clipped by the 1st, 3rd part will be clipped by the 1st and 2nd etc). (default: 0);

--elefant-foot-compensation

Shrink the first layer by the configured value to compensate for the 1st layer squish aka an Elefant Foot effect (mm, default: 0)

--xy-size-compensation

Grow/shrink objects by the configured absolute distance (mm, default: 0)

--complete-objects

When printing multiple objects and/or copies, complete each one before starting the next one; watch out for extruder collisions (default: no)

--extruder-clearance-radius Radius in mm above which extruder won't collide with anything

(default: 20)

--extruder-clearance-height Maximum vertical extruder depth; i.e. vertical distance from

extruder tip and carriage bottom (default: 20)

--notes

Notes to be added as comments to the output file

--resolution

Minimum detail resolution (mm, set zero for full resolution, default: 0)

--extrusion-width

Set extrusion width manually; it accepts either an absolute value in mm (like 0.65) or a percentage over layer height (like 200%)

--first-layer-extrusion-width

Set a different extrusion width for first layer

--perimeter-extrusion-width

Set a different extrusion width for perimeters

--external-perimeter-extrusion-width

Set a different extrusion width for external perimeters

--infill-extrusion-width

Set a different extrusion width for infill

--solid-infill-extrusion-width

Set a different extrusion width for solid infill

--top-infill-extrusion-width

Set a different extrusion width for top infill

--support-material-extrusion-width

Set a different extrusion width for support material

--infill-overlap

Overlap between infill and perimeters (default: 25%)

--bridge-flow-ratio Multiplier for extrusion when bridging (> 0, default: 1)

--extruder-offset

Offset of each extruder, if firmware doesn't handle the displacement (can be specified multiple times, default: 0x0)

--perimeter-extruder

Extruder to use for perimeters and brim (1+, default: 1)

--infill-extruder

Extruder to use for infill (1+, default: 1)

--solid-infill-extruder

Extruder to use for solid infill (1+, default: 1)

--support-material-extruder

Extruder to use for support material, raft and skirt (1+, 0 to use the current extruder to minimize tool changes, default: 1)

--support-material-interface-extruder

Extruder to use for support material interface (1+, 0 to use the current extruder to minimize tool changes, default: 1)

--ooze-prevention

Drop temperature and park extruders outside a full skirt for automatic wiping (default: no)

--standby-temperature-delta

Temperature difference to be applied when an extruder is not active and --ooze-prevention is enabled (default: -5)