X="4.0" y="1.4"/> HALFNONETubularW26127 - 2 momentary pushbutton switches - 1 - pad; pokey_outey = [pokey_outey_value, pokey_outey_value,0]; // there's an arrow shaped hole you can also see my solution to getting the image. // Order of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; h_margin = thickness*2; v_margin = hole_dist_top*2; width_mm = hp_mm(width); // where.