--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stl/README	Mon Apr 03 19:40:06 2017 +0200
@@ -0,0 +1,2 @@
+Precompiled STL files, generate with 
+cylindertransport.py --precompile dummy
\ No newline at end of file