Click on the images below to visit some of the web sites maintained by gCADPlus users.
Download SketchUp from this site: http://www.sketchup.com/download/sketchup-make/windows/thank-you
Free to use all the features for 30 days. Allows DXF import from gCADPlus.
Can be used for modeling free of charge after 30 days, but no DXF import.