EDIT - There is a rather large oversight in this video when it comes to designing METRIC gears. See updated video - https://youtu.be/UlgR4aSRJ-I
**Written guide - https://thebloughs.net/involute-gear-generation-in-solidworks/
**Module vs Diametral Pitch - https://khkgears.net/new/gear_knowledge/gear-nomenclature/diametral-pitch.html
**Text file with equations to download and import - https://drive.google.com/file/d/1seOIQ_fTaHHFG0JPnZ08mgmK93SL4afl/view?usp=sharing
**Equations:
Upper Curve:
Xt = "BaseCircle"/2*(cos(t+"Beta"*pi/180)+t*sin(t+"Beta"*pi/180))
Yt = "BaseCircle"/2*(sin(t+"Beta"*pi/180)-t*cos(t+"Beta"*pi/180))
Lower Curve:
Xt = "BaseCircle"/2*(cos(-t-"Beta"*pi/180)-t*sin(-t-"Beta"*pi/180))
Yt = "BaseCircle"/2*(sin(-t-"Beta"*pi/180)+t*cos(-t-"Beta"*pi/180))
Theory and math on twist vs helix angle - https://youtu.be/re8-kYZjjyY?si=7r2WvA_vLxeqi8hb&t=281
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