Here I show how you can model a set of bevel gears in Fusion360 for 3D printing. I'm using Tredgold's approximation to obtain tooth profiles, which is one of a few techniques. Another well-known one is the gleason system. True spherical involutes are used very rarely.

Files created in this video can be found here: https://www.thingiverse.com/thing:492...

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Website: https://www.creonova.nl/

Timestamps:
0:00 Introduction
0:42 Pitch cylinders vs pitch cones
1:11 Creating a pair of pitch cones
4:05 Creating inner-diameter equivalent cone
8:17 Tredgold's approximation explainer
11:34 Tredgold's approximation for our gearset
13:12 Adding teeth to bevel gear
16:46 Trimming teeth to length
19:41 Trimming the rear of the teeth
20:42 Repeating for pinion
25:41 Joints and motion links
27:12 Closer look at mesh
28:38 Full drive unit model
29:28 Testing 3D printed drive unit
30:37 Forces in bevel gears
32:27 Adding mounting hubs
35:17 Slicing considerations
36:45 Position on shaft is important
40:42 End