Grinding a helical gear.
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Previously:
https://www.homemadetools.net/forum/...211#post221790
https://www.homemadetools.net/forum/...785#post220365
https://www.homemadetools.net/forum/...224#post203907
https://www.homemadetools.net/forum/...992#post202882
https://www.homemadetools.net/forum/...650#post197628
