Q: Oh cool, a new RepRap slicer?
A: Yes.
Slic3r is a G-code generator for 3D printers. It's compatible with RepRaps, makerwares, Ultimakers and many more machines.
See the project homepage at slic3r.org and the documentation on the Slic3r wiki for more information.
Proudly Perl, with some parts in C++. If you're wondering why Perl, see http://xkcd.com/224/
Slic3r current key features are:
- multi-platform (Linux/Mac/Win) and packaged as standalone-app with no dependencies required;
- easy configuration/calibration;
- read binary and ASCII STL files as well as OBJ and AMF;
- powerful command line interface;
- easy GUI with plating and manipulation facilities;
- multithreaded;
- multiple infill patterns, with customizable density and angle;
- retraction;
- skirt;
- infill every N layers (like the "Skin" plugin for Skeinforge);
- detect optimal infill direction for bridges;
- save configuration profiles;
- center print around bed center point;
- multiple solid layers near horizontal external surfaces;
- ability to scale, rotate and duplicate input objects;
- customizable initial and final G-code;
- support material;
- cooling and fan control;
- use different speed for bottom layer, perimeters, small perimeters, bridges, solid infill;
- ability to print complete objects before moving onto next one.
Experimental features include:
- generation of G2/G3 commands for native arcs;
- G0 commands for fast retraction.
Roadmap includes the following goals:
- output some statistics;
- support material for internal perimeters;
- more GUI work;
- more fill patterns;
- a more complete roadmap is needed too ;-)
It's very easy. See the project homepage for instructions and links to the precompiled packages that you can just download and run, with no dependencies required.
Sure! Drop me a line at aar@cpan.org. You can also find me in #reprap and in #slic3r on FreeNode with the nickname Sound. Before sending patches and pull requests contact me to discuss your proposed changes: this way we'll ensure nobody wastes their time and no conflicts arise in development.
Slic3r is licensed under the GNU Affero General Public License, version 3. The author is Alessandro Ranellucci.
The Silk icon set used in Slic3r is licensed under the Creative Commons Attribution 3.0 License. The author of the Silk icon set is Mark James.
Usage: slic3r.pl [ OPTIONS ] file.stl
--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)
--repair Automatically repair given STL files and saves them as _fixed.obj
GUI options:
--no-plater Disable the plater tab
--gui-mode Overrides the configured mode (simple/expert)
--autosave <file> Automatically export current configuration to the specified file
Output options:
--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.
Printer options:
--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/makerware/sailfish/mach3/no-extrusion,
default: reprap)
--use-relative-e-distances Enable this to get relative E values
--gcode-arcs Use G2/G3 commands for native arcs (experimental, not supported
by all firmwares)
--g0 Use G0 commands for retraction (experimental, not supported by all
firmwares)
--gcode-comments Make G-code verbose by adding comments (default: no)
--vibration-limit Limit the frequency of moves on X and Y axes (Hz, set zero to disable;
default: 0)
Filament options:
--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)
Speed options:
--travel-speed Speed of non-print moves in mm/s (default: 130)
--perimeter-speed Speed of print moves for perimeters in mm/s (default: 30)
--small-perimeter-speed
Speed of print moves for small perimeters in mm/s or % over perimeter speed
(default: 30)
--external-perimeter-speed
Speed of print moves for the external perimeter in mm/s or % over perimeter speed
(default: 70%)
--infill-speed Speed of print moves in mm/s (default: 60)
--solid-infill-speed Speed of print moves for solid surfaces in mm/s or % over infill speed
(default: 60)
--top-solid-infill-speed Speed of print moves for top surfaces in mm/s or % over solid infill speed
(default: 50)
--support-material-speed
Speed of support material print moves in mm/s (default: 60)
--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%)
Acceleration options:
--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)
--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: 130)
Accuracy options:
--layer-height Layer height in mm (default: 0.4)
--first-layer-height Layer height for first layer (mm or %, default: 100%)
--infill-every-layers
Infill every N layers (default: 1)
--solid-infill-every-layers
Force a solid layer every N layers (default: 0)
Print options:
--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: 0-1, default: 0.4)
--fill-angle Infill angle in degrees (range: 0-90, default: 45)
--fill-pattern Pattern to use to fill non-solid layers (default: rectilinear)
--solid-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]).
--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).
--extra-perimeters Add more perimeters when needed (default: yes)
--randomize-start Randomize starting point across layers (default: yes)
--avoid-crossing-perimeters Optimize travel moves so that no perimeters are crossed (default: no)
--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: yes)
--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)
Support material options:
--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: rectilinear)
--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-interface-layers
Number of perpendicular layers between support material and object (0+, default: 0)
--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)
Retraction options:
--retract-length Length of retraction in mm when pausing extrusion (default: 1)
--retract-speed Speed for retraction in mm/s (default: 30)
--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-layer-change
Enforce a retraction before each Z move (default: yes)
--wipe Wipe the nozzle while doing a retraction (default: no)
Retraction options for multi-extruder setups:
--retract-length-toolchange
Length of retraction in mm when disabling tool (default: 1)
--retract-restart-extra-toolchnage
Additional amount of filament in mm to push after
switching tool (default: 0)
Cooling options:
--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: 30)
--min-print-speed Minimum print speed (mm/s, default: 10)
--disable-fan-first-layers Disable fan for the first N layers (default: 1)
--fan-always-on Keep fan always on at min fan speed, even for layers that don't need
cooling
Skirt options:
--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)
Transform options:
--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)
--bed-size Bed size, only used for auto-arrange (mm, default: 200,200)
--duplicate-grid Number of items with grid arrangement (default: 1,1)
--duplicate-distance Distance in mm between copies (default: 6)
Sequential printing options:
--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)
Miscellaneous options:
--notes Notes to be added as comments to the output file
--resolution Minimum detail resolution (mm, set zero for full resolution, default: 0)
Flow options (advanced):
--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
--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
--bridge-flow-ratio Multiplier for extrusion when bridging (> 0, default: 1)
Multiple extruder options:
--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 (1+, default: 1)
--infill-extruder Extruder to use for infill (1+, default: 1)
--support-material-extruder
Extruder to use for support material (1+, default: 1)
If you want to change a preset file, just do
slic3r.pl --load config.ini --layer-height 0.25 --save config.ini
If you want to slice a file overriding an option contained in your preset file:
slic3r.pl --load config.ini --layer-height 0.25 file.stl