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This is a small program to convert Inkscape SVG drawings to KiCad footprint module files. It uses cjlano's python SVG parser and drawing module to interpret drawings and approximate curves using straight line segments. Module files can be output in KiCad's legacy or s-expression (i.e., pretty) formats. Horizontally mirrored modules are automatically generated for use on the back of a 2-layer PCB.


Python 3


pip3 install git+

Note: python3 install does not work.


svg2mod -i input.svg -p 1.0


usage: svg2mod [-h] -i FILENAME [-o FILENAME] [--name NAME] [--value VALUE]
                  [-f FACTOR] [-p PRECISION] [-d DPI] [--front-only] [--format FORMAT]
                  [--units UNITS]

Convert Inkscape SVG drawings to KiCad footprint modules.

optional arguments:
  -h, --help            show this help message and exit
  -i FILENAME, --input-file FILENAME
                        name of the SVG file
  -o FILENAME, --output-file FILENAME
                        name of the module file
  --name NAME, --module-name NAME
                        base name of the module
  --value VALUE, --module-value VALUE
                        value of the module
  -f FACTOR, --factor FACTOR
                        scale paths by this factor
  -p PRECISION, --precision PRECISION
                        smoothness for approximating curves with line segments
  -d DPI, --dpi DPI     DPI of the SVG file (int)
  --front-only          omit output of back module (legacy output format)
  --format FORMAT       output module file format (legacy|pretty)
  --units UNITS         output units, if output format is legacy (decimil|mm)

SVG Files

svg2mod expects images saved in the uncompressed Inkscape SVG (i.e., not "plain SVG") format.

  • Drawings should be to scale (1 mm in Inscape will be 1 mm in KiCad). Use the --factor option to resize the resulting module(s) up or down from there.
  • Paths are supported.
    • A path may have an outline and a fill. (Colors will be ignored.)
    • A path may have holes, defined by interior segments within the path (see included examples). Sometimes this will render propery in KiCad, but sometimes not.
    • Paths with filled areas within holes may not work at all.
  • Groups may be used. However, styles applied to groups (e.g., stroke-width) are not applied to contained drawing elements. In these cases, it may be necessary to ungroup (and perhaps regroup) the elements.
  • Layers must be used to indicate the mapping of drawing elements to KiCad layers.
    • Layers must be named according to the rules below.
    • Drawing elements will be mapped to front layers by default. Mirrored images of these elements can be automatically generated and mapped to back layers in a separate module (see --front-only option).
  • Other types of elements such as rect, arc, and circle are not supported.
    • Use Inkscape's "Path->Object To Path" and "Path->Stroke To Path" menu options to convert these elements into paths that will work.


Layers must be named (case-insensitive) according to the following rules:

Inkscape layer name KiCad layer(s) KiCad legacy KiCad pretty
Cu F.Cu, B.Cu Yes Yes
Adhes F.Adhes, B.Adhes Yes Yes
Paste F.Paste, B.Paste Yes Yes
SilkS F.SilkS, B.SilkS Yes Yes
Mask F.Mask, B.Mask Yes Yes
Dwgs.User Dwgs.User Yes --
Cmts.User Cmts.User Yes --
Eco1.User Eco1.User Yes --
Eco2.User Eco2.User Yes --
Edge.Cuts Edge.Cuts Yes Yes
Fab F.Fab, B.Fab -- Yes
CrtYd F.CrtYd, B.CrtYd -- Yes

Note: If you have a layer "Cu", all of its sub-layers will be treated as "Cu" regardless of their names.


Convert Inkscape SVG drawings to KiCad footprint modules (Python 3)




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