Slic3r STL Input
Mario Voigt
STL Sliced Import (by Slic3r). Supports OBJ/OFF/PLY/STL as input file formats. How it works: - projects an STL file on the X-Y plane by cutting the objects into "slices" - each "slice" is a group of polygons, with a label indicating its z position - the polygons are converted to paths for better editing in inkscape - use Object → Rows & Columns → distribute the slices in a grid Warning: Requires Slicer 1.3.1-dev (the really latest build possible) docs: https://stadtfabrikanten.org/display/IFM/Slic3r+STL+Input based on stl input extension of Jürgen Weigert. Thanks for your hard work.
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Dxf2papercraft
Mario Voigt
Unfold and import DXF into InkScape using dxf2papercraft. This is some kind of wrapper extension utilizing kabeja to convert the dxf output from dxf2papercraft into SVG. To make it work you need to install at least java. Works on Windows and Linux. dxf2papercraft itself is a tool to make flattened 2D output from a 3D DXF file. Note that kabeja and dxf2papercraft are really old tools. There might be a lot better solutions out there but this is a good starting point and it basically works :) You might have a look at https://inkscape.org/~MarioVoigt/%E2%98%85dxfdwg-importer and https://inkscape.org/~MarioVoigt/%E2%98%85inkscape-papercraft-unfold-stl too.
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Triangle Pattern