Hi Sarbot, I have already made one (with the first steps) for you at the SU Help Forum: http://sketchup.google.com/3dwarehouse/details?mid=94dd8c51d1053fcfe2d1c7fb74c7e53b [image: download?mid=94dd8c51d1053fcfe2d1c7fb74c7e53b&rtyp=lt&ctyp=other&ts=1265141885000]