Chicken head pointer knob for D-shaft 5.0 mm - 4 sizes 30/36/44/54 mm, no supports

A round body drawn tangentially into a beak - the shape itself is the pointer. Body and tip are one contour, not a disc with an arm stuck on, and that is what makes the silhouette read right. For the 5 mm shaft with a flat at 4.52 mm - the NEMA 17 stepper shaft, the one on your printer's Z axis and extruder. Bore built to 4.6 mm. A knob bored for 4.0 wobbles on it; measure across the flat if unsure. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Wei…

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