Makes it much easier to join together mutliboard panels using multiboard's dual clips. Twisting the knob applies even pressure on each board.
Print the jaws on their side with organic supports to get the strength you need.
Assembled with a single #6 5/8" wood screw. Lightly grease the spiral track for best results.
Mirror the jaws and knob for righty-tighty, at least unitl I find the motivation to update the model.
The author marked this model as their own original creation.