The laser cutter finally works. I added gears and pulleys levering generators by other people and adapting them to the boxes.py frame work. I also added some knobs. There are a few new generators using those: GearBox, PlanetaryGear and Pulley. I really need a way to automatically add new generators to the web interface. Adding them manually starts getting a drag.

I am also working on an rotary attachment for the laser cutter that can engrave cylindrical objects. It features two belt driven rollers and two idle rollers on a scissor lift. Width can also be adjusted by sliding the scissor lift part along an aluminium profile. The whole contraption hangs between two knifes of the knife table. It still has a few short comings so it is not published yet.