FlexiBoxFrame

This is a generic beam Lego-like system which allows construction of boxes that can hold various things (like SoC boards). It is highly symmetric in design and allows any adapter to be connected to it.

Important things to note:
1. the pitch between any two hex holes: 20mm.
2. the inner volume of the box: 200mm x 140mm x 100mm. (can be easily changed by editing the scad file main:
TOWER_LENGTH=200;
TOWER_WIDTH=140;
TOWER_HEIGHT=100;
3. for assembling it M3 screws of 10mm (plus nuts) are