There are already boxes with living hinges, boxes that fit 19″ racks, Eurorack skiff boxes with laser-cut mounting rails, and even a generic electronics project box with mounting ears for your PCB.

If you need assistance, we offer instructions on how to prepare your design for laser cutting and how to learn to use 2D design software. Select your material and present it to a think[box] team ...

They’re essentially flat surfaces with gear teeth cut into them allowing the two halves of the coupling to nest together and lock firmly in a variety of relative radial positions.