@tig said:

@Sabastien

Please open the Ruby Console.
Now try to use the tool.
What happens?
Any error messages?
Are you selecting a face before running the tool?
More info please...

Hi, sorry for my late.

The error in the Ruby Console is " <SystemStackError: stack level too deep> C:/Users/*/AppData/Roaming/SketchUp/SketchUp 2016/SketchUp/Plugins/SDM_FloorGenerator_WD.rb:95 "

It does not work with Sketchup 2015?

The plugin is installed, I see it in the toolbar ... but it does not open when I pressed.