Image caption, ...you've done it! The sectors rearranged into the rectangle show the area of the curved surface of the cone = π × radius × slant length.

Milling and routing flat surfaces is pretty much the point of a CNC router, but how about curved surfaces? Auto leveling of hobby CNC machines and 3D printers is becoming commonplace, but Scorch ...

A recent report from the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) Task 17 has presented a new test setup for curved vehicle-integrated PV (VIPV) surfaces.