- said with a nod of the head to Zee who appears to be in a similar position.My dad (swarfmaker) forwarded this link on - and it might be of interest.
Any aspiring engine builder out there without a workshop and with some paper, glue and a hobby knife ?
https://www.youtube.com/watch?v=Pf3jnP6AbM0

Admittedly, a cobbled-together CNC laser engraver/cutter built from old CD/DVD drives and an Arduino or Raspberry Pi might help
Kind regards, Arnold




That little paper model is kewl beyond belief.