257 lines
12 KiB
Markdown
257 lines
12 KiB
Markdown
_Q: Oh cool, a new RepRap slicer?_
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A: Yes.
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# Slic3r
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## What's it?
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Slic3r is an STL-to-GCODE translator for RepRap 3D printers, aiming to
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be a modern and fast alternative to Skeinforge.
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See the [project homepage](http://slic3r.org/) at slic3r.org
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for more information.
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## What language is it written in?
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Proudly Perl, with some parts in C++.
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If you're wondering why Perl, see http://xkcd.com/224/
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## What's its current status?
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Slic3r current key features are:
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* multi-platform (Linux/Mac/Win) and packaged as standalone-app with no dependencies required;
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* easy configuration/calibration;
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* read binary and ASCII STL files as well as AMF;
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* powerful command line interface;
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* easy GUI;
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* multithreaded;
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* multiple infill patterns, with customizable density and angle;
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* retraction;
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* skirt;
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* infill every N layers (like the "Skin" plugin for Skeinforge);
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* detect optimal infill direction for bridges;
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* save configuration profiles;
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* center print around bed center point;
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* multiple solid layers near horizontal external surfaces;
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* ability to scale, rotate and duplicate input object;
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* customizable initial and final G-code;
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* support material;
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* cooling and fan control;
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* use different speed for bottom layer and perimeters.
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Experimental features include:
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* generation of G2/G3 commands for native arcs;
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* G0 commands for fast retraction.
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Roadmap includes the following goals:
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* output some statistics;
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* support material for internal perimeters;
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* more GUI work;
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* more fill patterns.
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## Is it usable already? Any known limitation?
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Sure, it's very usable. Remember that:
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* it only works well with manifold and clean models (check them with Meshlab or Netfabb or http://cloud.netfabb.com/).
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## How to install?
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It's very easy. See the [project homepage](http://slic3r.org/)
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for instructions and links to the precompiled packages.
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## Can I help?
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Sure! Send patches and/or drop me a line at aar@cpan.org. You can also
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find me in #reprap on FreeNode with the nickname _Sound_.
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## What's Slic3r license?
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Slic3r is licensed under the _GNU Affero General Public License, version 3_.
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The author is Alessandro Ranellucci (me).
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## How can I invoke slic3r.pl using the command line?
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Usage: slic3r.pl [ OPTIONS ] file.stl
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--help Output this usage screen and exit
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--save <file> Save configuration to the specified file
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--load <file> Load configuration from the specified file. It can be used
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more than once to load options from multiple files.
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-o, --output <file> File to output gcode to (by default, the file will be saved
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into the same directory as the input file using the
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--output-filename-format to generate the filename)
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-j, --threads <num> Number of threads to use (1+, default: 4)
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Output options:
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--output-filename-format
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Output file name format; all config options enclosed in brackets
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will be replaced by their values, as well as [input_filename_base]
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and [input_filename] (default: [input_filename_base].gcode)
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--post-process Generated G-code will be processed with the supplied script;
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call this more than once to process through multiple scripts.
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--export-svg Export a SVG file containing slices instead of G-code.
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-m, --merge If multiple files are supplied, they will be composed into a single
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print rather than processed individually.
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Printer options:
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--nozzle-diameter Diameter of nozzle in mm (default: 0.5)
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--print-center Coordinates in mm of the point to center the print around
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(default: 100,100)
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--z-offset Additional height in mm to add to vertical coordinates
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(+/-, default: 0)
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--gcode-flavor The type of G-code to generate (reprap/teacup/makerbot/mach3/no-extrusion,
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default: reprap)
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--use-relative-e-distances Enable this to get relative E values
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--gcode-arcs Use G2/G3 commands for native arcs (experimental, not supported
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by all firmwares)
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--g0 Use G0 commands for retraction (experimental, not supported by all
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firmwares)
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--gcode-comments Make G-code verbose by adding comments (default: no)
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Filament options:
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--filament-diameter Diameter in mm of your raw filament (default: 3)
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--extrusion-multiplier
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Change this to alter the amount of plastic extruded. There should be
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very little need to change this value, which is only useful to
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compensate for filament packing (default: 1)
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--temperature Extrusion temperature in degree Celsius, set 0 to disable (default: 200)
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--first-layer-temperature Extrusion temperature for the first layer, in degree Celsius,
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set 0 to disable (default: same as --temperature)
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--bed-temperature Heated bed temperature in degree Celsius, set 0 to disable (default: 200)
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--first-layer-bed-temperature Heated bed temperature for the first layer, in degree Celsius,
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set 0 to disable (default: same as --bed-temperature)
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Speed options:
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--travel-speed Speed of non-print moves in mm/s (default: 130)
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--perimeter-speed Speed of print moves for perimeters in mm/s (default: 30)
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--small-perimeter-speed
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Speed of print moves for small perimeters in mm/s (default: 30)
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--infill-speed Speed of print moves in mm/s (default: 60)
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--solid-infill-speed Speed of print moves for solid surfaces in mm/s (default: 60)
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--bridge-speed Speed of bridge print moves in mm/s (default: 60)
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--bottom-layer-speed-ratio
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Factor to increase/decrease speeds on bottom
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layer by (default: 0.3)
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Accuracy options:
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--layer-height Layer height in mm (default: 0.4)
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--first-layer-height-ratio
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Multiplication factor for the height to slice and print the first
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layer with (> 0, default: 1)
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--infill-every-layers
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Infill every N layers (default: 1)
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Print options:
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--perimeters Number of perimeters/horizontal skins (range: 0+, default: 3)
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--solid-layers Number of solid layers to do for top/bottom surfaces
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(range: 1+, default: 3)
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--fill-density Infill density (range: 0-1, default: 0.4)
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--fill-angle Infill angle in degrees (range: 0-90, default: 45)
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--fill-pattern Pattern to use to fill non-solid layers (default: rectilinear)
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--solid-fill-pattern Pattern to use to fill solid layers (default: rectilinear)
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--start-gcode Load initial gcode from the supplied file. This will overwrite
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the default command (home all axes [G28]).
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--end-gcode Load final gcode from the supplied file. This will overwrite
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the default commands (turn off temperature [M104 S0],
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home X axis [G28 X], disable motors [M84]).
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--layer-gcode Load layer-change G-code from the supplied file (default: nothing).
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--support-material Generate support material for overhangs
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Retraction options:
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--retract-length Length of retraction in mm when pausing extrusion
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(default: 1)
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--retract-speed Speed for retraction in mm/s (default: 30)
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--retract-restart-extra
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Additional amount of filament in mm to push after
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compensating retraction (default: 0)
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--retract-before-travel
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Only retract before travel moves of this length in mm (default: 2)
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--retract-lift Lift Z by the given distance in mm when retracting (default: 0)
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Cooling options:
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--cooling Enable fan and cooling control
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--min-fan-speed Minimum fan speed (default: 35%)
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--max-fan-speed Maximum fan speed (default: 100%)
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--bridge-fan-speed Fan speed to use when bridging (default: 100%)
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--fan-below-layer-time Enable fan if layer print time is below this approximate number
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of seconds (default: 60)
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--slowdown-below-layer-time Slow down if layer print time is below this approximate number
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of seconds (default: 15)
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--min-print-speed Minimum print speed speed (mm/s, default: 10)
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--disable-fan-first-layers Disable fan for the first N layers (default: 1)
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--fan-always-on Keep fan always on at min fan speed, even for layers that don't need
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cooling
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Skirt options:
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--skirts Number of skirts to draw (0+, default: 1)
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--skirt-distance Distance in mm between innermost skirt and object
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(default: 6)
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--skirt-height Height of skirts to draw (expressed in layers, 0+, default: 1)
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Transform options:
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--scale Factor for scaling input object (default: 1)
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--rotate Rotation angle in degrees (0-360, default: 0)
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--duplicate Number of items with auto-arrange (1+, default: 1)
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--bed-size Bed size, only used for auto-arrange (mm, default: 200,200)
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--duplicate-grid Number of items with grid arrangement (default: 1,1)
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--duplicate-distance Distance in mm between copies (default: 6)
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Miscellaneous options:
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--notes Notes to be added as comments to the output file
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Flow options (advanced):
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--extrusion-width-ratio
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Calculate the extrusion width as the layer height multiplied by
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this value (> 0, default: calculated automatically)
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--bridge-flow-ratio Multiplier for extrusion when bridging (> 0, default: 1)
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If you want to change a preset file, just do
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slic3r.pl --load config.ini --layer-height 0.25 --save config.ini
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If you want to slice a file overriding an option contained in your preset file:
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slic3r.pl --load config.ini --layer-height 0.25 file.stl
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## How can I integrate Slic3r with Pronterface?
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Put this into *slicecommand*:
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slic3r.pl $s --load config.ini --output $o
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And this into *sliceoptscommand*:
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slic3r.pl --load config.ini --ignore-nonexistent-config
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Replace `slic3r.pl` with the full path to the slic3r executable and `config.ini`
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with the full path of your config file (put it in your home directory or where
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you like).
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On Mac, the executable has a path like this:
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/Applications/Slic3r.app/Contents/MacOS/slic3r
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## How can I specify a custom filename format for output G-code files?
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You can specify a filename format by using any of the config options.
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Just enclose them in square brackets, and Slic3r will replace them upon
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exporting.
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The additional `[input_filename]` and `[input_filename_base]` options will
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be replaced by the input file name (in the second case, the .stl extension
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is stripped).
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The default format is `[input_filename_base].gcode`, meaning that if you slice
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a *foo.stl* file, the output will be saved to *foo.gcode*.
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See below for more complex examples:
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[input_filename_base]_h[layer_height]_p[perimeters]_s[solid_layers].gcode
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[input_filename]_center[print_center]_[layer_height]layers.gcode
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