Origami, German Bell, Math, Geometry

Origami or artistic paper folding is an engaging math-art activity. There are so many ideas one can learn in an origami task, from words, shapes, spatial thinking, symmetry, fractions, to proportionality. However, most origami projects do not lend themselves to 3D design or printing.

The German Bell is one of the few that I have tried to make a 3D-designed model of. It works very well with PLA or flexible filament. Once the template is printed, removed with a spatula, please GENTLY f