works both on windows and linux

you need to get MSVCR100D.dll somewhere to get included openscad_cl running

bom.py

@@ -1,7 +1,7 @@
 import os
-import subprocess
 import sys
 import shutil
+import openscad
 
 class BOM():
     def __init__(self):
@@ -95,10 +95,8 @@ def boms(machine):
     f. write("include <%s_config.scad>\n" % machine);
     f.close()
 
-    log = open("openscad.log", "w")
+    openscad.run("-o", "dummy.csg", "scad/bom.scad")
-    subprocess.call(["openscad", "-o", "dummy.csg", "scad/bom.scad"], stdout = log, stderr = log)
     print "Generating bom ...",
-    log.close()
 
     main = BOM()
     stack = []

openscad.py

@@ -0,0 +1,11 @@
+import subprocess
+import os
+
+def run(*args):
+    if os.name == "nt":
+        subprocess.call(["openscad_cl"] + list(args))
+    else:
+        log = open("openscad.log", "w")
+        subprocess.call(["openscad"] + list(args), stdout = log, stderr = log)
+        log.close()
+

sheets.py

@@ -1,5 +1,5 @@
 import os
-import subprocess
+import openscad
 import shutil
 import sys
 from dxf import *
@@ -49,7 +49,7 @@ def sheets(machine):
                         # Run openscad on the created file
                         #
                         dxf_name = target_dir + "/" + module[:-4] + ".dxf"
-                        subprocess.call(["openscad", "-o", dxf_name, dxf_maker_name])
+                        openscad.run("-o", dxf_name, dxf_maker_name)
                         dxf_to_svg(dxf_name)
 
 if __name__ == '__main__':

stls.py

@@ -1,5 +1,5 @@
 import os
-import subprocess
+import openscad
 import shutil
 import sys
 
@@ -58,7 +58,7 @@ def stls(machine):
                         # Run openscad on the created file
                         #
                         stl_name = target_dir + "/" + module[:-4] + ".stl"
-                        subprocess.call(["openscad", "-o", stl_name, stl_maker_name])
+                        openscad.run("-o", stl_name, stl_maker_name)
                         targets.remove(module)
 
     #