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Side (HP) hole_dist_side = hp_mm(1.5); // Hole for shaft center=true); // Flat for D-shaped hole // Hole radius (mm) hole_r = 1.7; // Hole distance from the top to bottom of the program. // ====================================================================== module knob_base() { } else { rotate_extrude(convexity=10, $fn=fn4) polygon(points=[ [x0,y1],[x1,y1],[x2,y2],[x2,y3],[x1,y4],[x0,y4] ], paths=[ [0,1,2,3,4,5] ]); } else if (bottom_element=="switch") { } //Sites that provide images.

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