Zahnwalze d324|18
A forming tool for paper or aluminium foil.
The structure allow a better use for insulation or stability.
For better usability you can print the 326.18 Handwheel and holder.
Or the bigger handweheel and replace the wooden skeewer with a 4mm metal shaft or studding, glued into the roller and fix the handwheel on one or both sides and make the holders hole accordingly.