diff --git a/fablabchemnitz_papercraft_unfold_ascii.inx b/fablabchemnitz_papercraft_unfold_ascii.inx
new file mode 100644
index 0000000..f3cca11
--- /dev/null
+++ b/fablabchemnitz_papercraft_unfold_ascii.inx
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <_name>Papercraft Unfold ASCII</_name>
+    <id>fablabchemnitz.de.papercraft_unfold_ascii</id>
+    <dependency type="executable" location="extensions">fablabchemnitz_papercraft_unfold_ascii.py</dependency>
+    <input>
+        <extension>.stl</extension>
+        <mimetype>application/sla</mimetype>
+        <_filetypename>Unfoldable Stereolitography File ASCII (*.stl)</_filetypename>
+        <_filetypetooltip>Unfold STL Files</_filetypetooltip>
+    </input>
+    <script>
+        <command reldir="extensions" interpreter="python">fablabchemnitz_papercraft_unfold_ascii.py</command>
+    </script>
+</inkscape-extension>
\ No newline at end of file
diff --git a/fablabchemnitz_papercraft_unfold_ascii.py b/fablabchemnitz_papercraft_unfold_ascii.py
new file mode 100644
index 0000000..b5b6401
--- /dev/null
+++ b/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/fablabchemnitz_papercraft_unfold_binary.inx b/fablabchemnitz_papercraft_unfold_binary.inx
new file mode 100644
index 0000000..7380afb
--- /dev/null
+++ b/fablabchemnitz_papercraft_unfold_binary.inx
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <_name>Papercraft Unfold Binary</_name>
+    <id>fablabchemnitz.de.papercraft_unfold_binary</id>
+    <dependency type="executable" location="extensions">fablabchemnitz_papercraft_unfold_binary.py</dependency>
+    <input>
+        <extension>.stl</extension>
+        <mimetype>application/sla</mimetype>
+        <_filetypename>Unfoldable Stereolitography File Binary (*.stl)</_filetypename>
+        <_filetypetooltip>Unfold STL Files</_filetypetooltip>
+    </input>
+    <script>
+        <command reldir="extensions" interpreter="python">fablabchemnitz_papercraft_unfold_binary.py</command>
+    </script>
+</inkscape-extension>
\ No newline at end of file
diff --git a/fablabchemnitz_papercraft_unfold_binary.py b/fablabchemnitz_papercraft_unfold_binary.py
new file mode 100644
index 0000000..a3a1fc2
--- /dev/null
+++ b/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