24K views · 373 reactions | Hold up the new AMG® UH-1® Gen II next to the Gen I and you’ll notice the Gen II is sleeker, with a bigger rear window, but go beneath the surface, and you’ll see the difference between the Gen I and the Gen II is as clear as day and night. | Vortex Optics | Facebook

Vortex Pyramid Fidget: a four sided pyramid is dissected by a spiral cut in the shape of an eight petal flower (as seen from the bottom) in this math inspired kinetic toy. The interesting behavior stems from the connection between translational motion and rotational motion and the precision manufacturing allowed by the 3D printing process. An amazing creation by RJ Design and expertly printed by my friend Jason Veatch. ➡️ Follow the link in my profile for info on where to get this (and/or the pr