This is a tutorial to make a sofa with 3ds max. I use 3ds max 2010 in this exercise.
First of all, open the 3ds max software. then follow the steps below.
on the right select CREATE, Geometry, and select the box and make the top viewport. drag from top left to bottom right. then release the mouse button. Rev the mouse.
The next box and click the mouse to the right. select CONVERT TO, Editable Poly.

