Drum knob for Split shaft fine, 24 teeth - 4 sizes 16/20/25/30 mm, no supports

A tall drum with round ribs. All that shell area is what makes a slow, fine turn possible - volume, feed, focus. For the fine split shaft with 24 teeth. The number that trips people up: this shaft measures 5.97 mm over the knurl, not 6.35 - the 1/4 inch is the plain body, the splines are turned down. A knob bored for 6.35 sits loose and spins. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 16 mm | 15.6 mm | 2.5 c…

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