Rotation of prismatic bars
Rotation of prismatic bars with rectangular, quadratic, elliptic respectively triangular slice plane. (Plaster models from the Muret collection). The intersection planes, originally perpendicular to the bar axis, are warped. The curves describe level curves of the slice planes.
Showcase of this model is Case number 43
Catalogue des modèles géométriques, Separataband D8 p. ??.
Gielis, Johan(2018). Note to the curator of the Göttingen mathematical models collection. Online version