Thanks you all you guys in this wonderful forum . It’s very useful for me to learn many things from here I’m just a newbie of sketchup ruby . When I did search here I found this nice code , I tried to make it to ‘Plugin’ but very hard . Would somebody please make this to small plugin for me . Man…

With regard to “05a.rb” … [image] atidesign: I check for namespace A. The namespace module ( module Examples ) is not YOUR module. ALL of YOUR code, plugins and extensions MUST be inside YOUR toplevel namespace module. It must be a unique name that separates ALL or YOUR codes and extension…