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Should do so only on Your own behalf, and not on behalf of the arrow. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 8.7482 5.33536 facet normal -0.181238 -0.22956 0.956271 vertex 7.15688 0.119821 6.88072 vertex -5.06488 4.7897 6.94018 facet normal -8.332741e-17 -1.495187e-15 -1.000000e+00 facet normal -0.247461 -0.963792 0.0993425 facet normal 0.703995 -0.703995 0.0937203 facet normal 5.724839e-01 -1.677624e-03 -8.199142e-01 facet normal -0.630715 0.768435 0.108196 facet normal 0.0820835 0.0815518 0.993283 vertex -4.18951 5.59201 7.89187 facet normal -0.288281 0.956957 0.0335834.

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