Advanced Drawing 1 Involute drawing.dwg
https://drive.google.com/file/d/1Kn44GoZ_yP9k_AU_1UCVI8tpt9J2i1zR/view?usp=drive_link
https://www.youtube.com/watch?v=5p5LVLEttX0
https://www.tec-science.com/mechanical-power-transmission/involute-gear/calculation-of-involute-gears/
https://khkgears.net/new/gear_knowledge/abcs_of_gears-b/basic_gear_terminology_calculation.html