need box design pleasw

[sfrapper411 0]

Ok my brother is coming home from iraq and I would like 2 build him a box as a suprise he has a bramha mk2 15 here are max dimensions looking for a ported box please help I've tried the box builder websites and I get more frustrated than accomplished everyone here seems 2 be super helpful 23.50 tall 21 deep and 38 wide using 3/4 mdf I really appreciate the help everyone and anyone u can post here or email me [email protected]