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// 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff right_rib_thickness = 2; // column from edge plus hole radius //calculated x value of exact middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); linear_extrude(thickness) polygon([[0,0], [(board_width-insert_width)/2, -insert_depth], [board_width-(board_width-insert_width)/2, -insert_depth], [board_width, 0]]); 3D Printing/Panels/Radio_shaek_standoff.stl | Bin 0 -> 70584 bytes.

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