By Shiva
Script shows a 3d model in a real physical size.
Helpful to check size and proportions.
Installation: Drag`n`Drop on 3dsmax viewport.
Then Customize - Customize User Interface - find "Shiva Tools" - "Real Size inspection" and "Real Size Settings" Drag "Real Size inspection" to the Toolbar or anywhere you want.
"Real Size Settings" will be started automatically on the first run "Real Size inspection" so drag Setting script in some menu.
You will need it only once to setup physical size of your monitor screen.