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Arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; set_screw_depth = 9; // mm from very top/bottom edge and where it is based on the v1 board between R25 and R1. This needs to be distributed under the smaller board. // margins from edges h_margin = hole_dist_side + thickness; working_height = height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, height - hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - h_margin; working_height = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12EWA.pdf 4 digit 7 segment yellow LED with left dot Overflow +- 1 orange LED display Dubble digit super bright yellow 7 segment LED One digit 7 segment yellow -1 overflow.

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