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Hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = 8, h = hole_depth, center = true); // The OpenSCAD default. // Minimum size of circle fragments in mm. // ====================================================================== /* [Basic Parameters] */ // // Whether to create a dial, protruding from the top surface, or not. Enable_engraved_indicator = false; // Height of the knob body. [mm] // Number of faces around the far leg of the rail + a safety margin // margins from edges h_margin = hole_dist_side*4; v_margin = hole_dist_top*2; v_margin = hole_dist_top*2; width_mm = hp_mm(width); // where to put reinforcing walls; i.e. The thickness of 2mm - but adjust to shift left and right columns toward the center center_adjust = 5; .

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