Helical gear

Hello to all. Is it possible to draw a helical gear with Sketchup Make?

Yes it is. You could certainly model it with native tools or there are a variety of extensions that can be used. Some are even capable of drawing gears. One extension you could try is called SP Gears and it’s available from Sketchucation.

Another source that might be of interest

OK Dave, ok Ian, thank you

Here are some more gears. The worm gear was made with the aide of the CurveMaker extension (for the basic helix), along with Upright Extruder by @eneroth3 (to move the tooth profile). The worm wheel gear and the spur and bevel gears were made with standard Make tools, as I recall.