Dear @maui2wp,
thanks for your kind reply. I tried both your suggestions and this is the result:
1) MCE Table Buttons:
http://www.creazionidipaola.com/test-3d-2/
Even if tried to work on singular cell size the plugin keep the original dimension.
2) Columns Plugin:
http://www.creazionidipaola.com/test-3d/
Same here.
Any suggestion. Thanks,
Lorenzo
