Mini-itx case for a Banana Pi BPI-R3 or R4?

Banana Pi BPI-R4/BPI-R3 Mini/BPI-R3/BPI-R64/BPI-R2 Project
1

Hi!

Is it possible to adapt the form factor of a Banana Pi BPI-R3 or R4 to a mini-itx case? Im trying to build a small form factor router and I have a few super small cases I can use.