Questions about 3DMAX export format

[Willy Tschager]

Thank you. I see.

I make "DUPLO" parts. Where should I look for the original model or data?

For example, the length, width and height of "DUPLO" 2 * 4 brick, whether there is standard data

This is an article I wrote a long time ago and should hopefully get you some clues:

http://www.holly-wood.it/ldraw/authoring-en.html

Note that beside professional tools we use LPDE to get our parts ready:

http://nilsschmidt1337.github.io/ldparteditor/

w.