How to convert files on SketchUp to .stl files for 3d printing

how to convert, i have tried downloading toolbars but all i got was a plug-in file script, which is like another language to me.

2 Answers

I assume you've tried the various plugins: http://www.cerebralmeltdown.com/cncstuff/stl/index.htm

Ì am using export STL feature that you can find in the Extension Warehouse