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0:00 - Terminology - module, engagement angle; definition of parameters 1:01 - Spur gears; Pitch, pitch diameter 2:22 - Internal, rack and pinion transmission 3:02 - Helical cylindrical gears, inclination angle 3:40 - Normal and radial systems 4:19 - Helical cylindrical gears with non-parallel axes, worm gear 4:52 - Herringbone (double helical) gear 5:23 - Bevel spur gear 7:08 - Materials for printing gears (polyamide/nylon, ultem, PEEK) 7:47 - Printing parameters 8:03 - Compound gears The most common repair using a 3D printer is replacing broken gears of a gear transmission, so today you will learn how to quickly model and correctly print these elements - cylindrical spur gears, bevel helical gears, bevel gears, worm gear. How to measure the gear module - external, internal, rack and pinion, operating mechanisms We will also consider how to print them correctly on a 3D printer, this is a very common application of a 3D printer #gear_printing #gear_modeling #Fusion360