master
Mario Voigt 3 years ago
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# inkscape-papercraft-unfold-stl
This minimal extension unfolds binary STL files into flattened SVG shapes which can be cut by laser, vinyl cutter, milling machine, etc.. It utilizes https://github.com/osresearch/papercraft.
## Installation
Drop all files in your InkScape extension directory (except Test STL/ and README.md).
##Documentation
Can be found at: https://wiki.fablabchemnitz.de/display/FCT/Papercraft+Unfold+STL
##Notes
This plugin is also included in https://gitea.fablabchemnitz.de/MarioVoigt/mightyscape

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<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
<_name>Papercraft Unfold</_name>
<id>fablabchemnitz.de.papercraft_unfold</id>
<dependency type="executable" location="extensions">fablabchemnitz_papercraft_unfold.py</dependency>
<input>
<extension>.stl</extension>
<mimetype>application/sla</mimetype>
<_filetypename>Unfoldable Stereolitography File (*.stl)</_filetypename>
<_filetypetooltip>Unfold STL Files</_filetypetooltip>
</input>
<script>
<command reldir="extensions" interpreter="python">fablabchemnitz_papercraft_unfold.py</command>
</script>
</inkscape-extension>

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'''
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Creator: Mario Voigt / FabLab Chemnitz - Stadtfabrikanten e.V.
'''
import sys
from subprocess import Popen, PIPE
import subprocess
import inkex
import os
class Unfold:
def __init__(self):
stl_filename = inkex.sys.argv[1]
#inkex.debug("stl_filename: "+stl_filename)
if os.name=="nt":
outname = "papercraft_unfold_output.svg"
#remove old file if existent
if os.path.exists(outname):
os.remove(outname)
if os.path.exists("unfold.exe.stackdump"):
os.remove("unfold.exe.stackdump")
#inkex.debug("os.getcwd(): "+os.getcwd())
cmd = os.getcwd() + "\\papercraft\\unfold.exe" + " < " + stl_filename + " > " + outname
#inkex.debug("cmd: "+cmd)
p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
inkex.debug(p.communicate())
p.wait()
if p.returncode == 0:
#inkex.debug("OK")
doc = inkex.etree.parse(os.getcwd() + "\\" + outname)
doc.write(inkex.sys.stdout)
if __name__ == '__main__':
gc = Unfold()

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