@conchords said: @chris fullmer said: From that same thread, Dan mentions you can use this command to simulate the actual File > Save: Sketchup.send_action( 57603 ) Then you could use the regular Model.save for Mac and the send_action for PC's. I've not tried it, but it might be a solution. That worked great, thanks. Actually at that time I did not know of the cross-platform send action string, "saveDocument:" ... ... so you can just use Sketchup.send_action( "saveDocument:" )