Q´s about Velleman VMA03

I have looked around the web without finding an answer to my q´s so i thought i´ll ask here…

Is it possible to stack 2 Vellerman ontop eachother if i need to controll 4 motors ?
Is there any part file for the VMA03 ?

Regards
Jörgen

Is it possible to stack 3 Velleman ontop each other ,

:sunglasses: