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Shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { difference(){ color([.1,.1,.1]) panel(width); // Top left: clock in, speed pot_p160(); // Left side: meta-step controls // run/stop (sw14 h_wall(h=4, l=slider_spacing*10-1, th=1); v_wall(h=4, l=height-rail_clearance*2-thickness, th=thickness*1.25); v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top right [left_edge + height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top edge smoothing // thanks to http://www.iheartrobotics.com/ for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // How much horizontal space needed for left-hand and right-hand sub-panels right_panel_width.

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