diff --git a/extensions/fablabchemnitz_papercraft_unfold_ascii.inx b/extensions/fablabchemnitz_papercraft_unfold_ascii.inx
new file mode 100644
index 0000000..f3cca11
--- /dev/null
+++ b/extensions/fablabchemnitz_papercraft_unfold_ascii.inx
@@ -0,0 +1,15 @@
+
+
+ <_name>Papercraft Unfold ASCII
+ fablabchemnitz.de.papercraft_unfold_ascii
+ fablabchemnitz_papercraft_unfold_ascii.py
+
+ .stl
+ application/sla
+ <_filetypename>Unfoldable Stereolitography File ASCII (*.stl)
+ <_filetypetooltip>Unfold STL Files
+
+
+
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_papercraft_unfold_ascii.py b/extensions/fablabchemnitz_papercraft_unfold_ascii.py
new file mode 100644
index 0000000..b5b6401
--- /dev/null
+++ b/extensions/fablabchemnitz_papercraft_unfold_ascii.py
@@ -0,0 +1,34 @@
+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")
+ #convert the STL to have a binary one and wait until conversion finished before running papercraft
+ cmd = os.getcwd() + "\\papercraft\\STLConverter.exe" + " " + stl_filename
+ p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
+ #inkex.debug(cmd)
+ #inkex.debug("os.getcwd(): "+os.getcwd())
+ #inkex.debug(os.path.splitext(stl_filename)[0])
+ p.wait()
+ cmd2 = os.getcwd() + "\\papercraft\\unfold.exe" + " < " + os.path.splitext(stl_filename)[0] + "-binary.stl > " + outname
+ #inkex.debug("cmd2: "+cmd2)
+ p2 = Popen(cmd2, shell=True, stdout=PIPE, stderr=PIPE)
+ #inkex.debug(p2.communicate())
+ p2.wait()
+ if p2.returncode == 0:
+ #inkex.debug("OK")
+ doc = inkex.etree.parse(os.getcwd() + "\\" + outname)
+ doc.write(inkex.sys.stdout)
+if __name__ == '__main__':
+ gc = Unfold()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_papercraft_unfold_binary.inx b/extensions/fablabchemnitz_papercraft_unfold_binary.inx
new file mode 100644
index 0000000..7380afb
--- /dev/null
+++ b/extensions/fablabchemnitz_papercraft_unfold_binary.inx
@@ -0,0 +1,15 @@
+
+
+ <_name>Papercraft Unfold Binary
+ fablabchemnitz.de.papercraft_unfold_binary
+ fablabchemnitz_papercraft_unfold_binary.py
+
+ .stl
+ application/sla
+ <_filetypename>Unfoldable Stereolitography File Binary (*.stl)
+ <_filetypetooltip>Unfold STL Files
+
+
+
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_papercraft_unfold_binary.py b/extensions/fablabchemnitz_papercraft_unfold_binary.py
new file mode 100644
index 0000000..a3a1fc2
--- /dev/null
+++ b/extensions/fablabchemnitz_papercraft_unfold_binary.py
@@ -0,0 +1,29 @@
+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())
+ #inkex.debug(os.path.splitext(stl_filename)[0])
+ 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()
\ No newline at end of file