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Center = true); hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = 8, h = shafthole_height, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, r2 = stem_transition_radius, $fn = sphere_indents_faces); height = 128.5; // A little less then 3U // Thickness of module (mm) - Would not change this if you want finger ridges around the top edge radius circle_height = 1; // [0:No, 1:Yes] // Do you want wider holes for square, hexagonal etc. Shafts. ≥30 means "round, using current quality setting". Shafthole_faces = 20; // Shape of top of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top horizontal rib h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin * height + rotate_vector_sin * rail_depth] // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // h_wall(h=4, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin.

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