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8.8mm but require more on the bottom // you can create a D-shaped shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { z_position = height - hole_dist_top); cube([flange, flange, h], center=true); if (Pointer2==1 cube([8, 3, KnobHeight], center=true); if (style == "nut"){ // a round shafthole base shape. See knob_base(). Rotate([0, 0, 180] // Left side: meta-step controls // run/stop (sw14 h_wall(h=4, l=slider_spacing*10-1, th=1); v_wall(h=4, l=height-rail_clearance*2-thickness, th=thickness*1.25); v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more to mount the circuit board sideways on // h = hole_depth.

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