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.

A cylinder is a 3D shape with a circular cross-section and a curved surface. It has no straight edges. To find the volume or surface area of a cylinder, calculate it in the same way you would a prism.

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 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles ...

The photography is by Francisco Ascensão. The post Curved surfaces frame A House Within a Few Lines by Fala Atelier appeared ...

For centuries, cameras and telescopes have relied on curved glass or plastic lenses to bend light and bring images into focus ...