This is a rubber band winder meant for putting many turns onto a rubber band airplane. Requires one dowel rod (that could be printed), some metal pins (that could be printed), a skateboard bearing, and two small wood screws.

Perhaps you would like to remix this model to include more print in place features? It was designed for previous generations of printers that were not as reliable (thus the separated handle from gears, etc.)

Please leave a comment if you have difficulty getting this to print. I will be happy to add detail if it's a useful model.