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Top knobs // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 40; // widest element is rotary, at 30mm slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; row_2 = working_increment*1 + row_1; row_4 = row_3 + vertical_space/7; row_4 = row_3 + vertical_space/7; row_4 = row_3 + vertical_space/7; row_5 = working_increment*4 + row_1; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; bottom_row = v_margin + 12; //knob_radius top_row = height / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; hole_vert = (board_height - hole_vdist) / 2; hole_margin = 1; top_margin = (board_height - hole_vdist) / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); cutout_height = board_height - (top_margin * 2); hole_horiz = (board_width - hole_hdist) / 2 + (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z = [0 : sphere_indents_count]) { // only keep everything starting at the bottom of box [right_edge, -extra_depth], // bottom horizontal rib h_wall(h=4, l=right_rib_x); // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit board for a set of default parameters, "); echo(" e_smooth - [ 12 ] ,, Knurl's Height. "); echo(" s_smooth - [ 0 ] ,, Knurl's Surface Smoothing : File donwn the top knob working_width = width_mm - h_margin; // special: the right-hand side tries to squeeze 6 rows into the space of 5 out_working_increment = working_increment * 4 / 5; row_1 = v_margin+12; out_row_2 = working_increment*1 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_5 = working_increment*4 + row_1; row_4 = working_increment*3 + row_1; row_3 = row_2 .

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