Reuleaux triangle wheel by Hand

Author:
asifsound
M ○ is an axis of wheel, which is restricted to be moved on vertical segment. Vertical segment can be made by Chebyshev Linkage tool or exact straight line tool. This wheel is roller style. It rotates by upper tangent flat board moving to forward direction. Upper moving flat board can be simulated by Chebyshev Linkage (≒ a hand).