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HoleDiameter = 6; // generally-useful spacing amount for vertical columns of stuff left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space between them //left_panel_spacing = left_panel_width / 3 + tolerance*8; right_panel_width = 12; // [1:1:84] // margins from edges h_margin = hole_dist_side + thickness; h_margin = thickness*2; v_margin = hole_dist_top*2 + thickness; right_rib_x = width_mm - hole_dist_side, hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness*2.2; left_rib_x = thickness + 9.5/2 + tolerance*2; // rib + half a jack col_right = width_mm - h_margin; // elevated sockets to fit two mounting posts into hole_top = out_row_1 + 12 + 60 + 24 + 6.75; hole_left = slider_center - 13; hole_bottom = hole_top - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : Knurls-1] rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = smooth // outer pointy indicator // cube size of circle fragments in mm. Quality == "rendering") ? 3 : quality == "fast preview") ? 12.

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