In this video I show how to model a gear rack in Fusion360, though the method translates easily to any other CAD package.

Topics covered:
0:00 Introduction and setting up parameters
1:27 Sketching the tooth profile
5:08 Patterning the tooth to make a rack
6:12 Modifying rack by changing parameters
6:50 Adding backlash to the rack
7:43 Making a Helical Rack
9:08 Looking at Transverse vs Normal module
12:22 Slicing a rack in Cura
13:14 Meshing demo; joints and motion link
18:40 Conclusion

Full gears playlist:    • All about gears  

KHK gears drawing:
https://khkgears.net/new/gear_knowled...

Rack .f3d file:
https://www.creonova.nl/wpcontent/up...

Meshing demo .f3d file:
https://www.creonova.nl/wpcontent/up...

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