[DaveMakesStuff] demonstrates a great technique for 3D printing a sphere; a troublesome shape for filament-based printers to handle. As a bonus, it uses a minimum of filament. His ideas can be ...

In this SQA National 5 Maths revision guide, we'll go through how to work out the volume of a cylinder, sphere ... A vector describes a movement from one point to another. 3D vectors exist ...