Electronics box for 3d printer

Update: Added a quick lid for those possibly interested in using this design stand-alone. Also added some pictures of the printed result and fit.

I made this electronic box for my Velleman k8400. Designed to hold an original Raspberry Pi model B, two LM2596 voltage regulators and a reprap.me power expander. Voltage regulators and the power expander board is meant to be screwed in place. My raspberry pi lacks mounting holes and is fitted between a couple of small holders in this design, I mi