A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

Learn the techniques and mindset shifts that make drawing poses from any angle easier than ever. From breaking down anatomy to mastering perspective, this guide shows how to improve figure drawing ...

What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm, and the ...