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Enclosed in the appropriate comment syntax for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // // directional indicators // // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit board sideways on // h = z height, how far the wall along the LEDs //outline of whole PCB? // cube([137.5, 97, 1], center=true); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C.

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