DDS SG100 Signal Generator case

Basic enclosure for DSS SG100 Signal Generator. The case has two parts, bottom and top, both are designed using FreeCad, please check source files at GitHub: https://goo.gl/Y1bXf1
I printed all parts using PLA and 0.15mm layer height, push buttons are quite simple but works fine, maybe someone can improve it :)

I hope someone find this model useful, It's my first full desing.

Regards from Spain ;-)