It depends of the quantity you need, but there is some that use stamping to make gears.
But you can also saw the profile manually.
Assembling is hard but doable, the hardest part is the adjustment!
But you can also saw the profile manually.
Assembling is hard but doable, the hardest part is the adjustment!
That is something I've wondered; until what scale is that really feasible? Because fancy indexing lathes, gear cutters and CNCs bring in kinda high barrier to entry, but a jewelers saw (presumably?) and a vise are far more approachable for a hobbyist.