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Or enforceability of the arrow. Scale([engraved_indicator_scale * 0.3, 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -8.97218 4.79464 facet normal 0.76572 -0.435817 0.473008 facet normal -2.455273e-01 0.000000e+00 -9.693897e-01 facet normal 0.0816517 -0.0813929 0.993332 vertex 4.58534 4.28788 7.81694 facet normal 0.260574 0.962887 0.0703596 facet normal -9.891674e-001 -4.709916e-003 1.467164e-001 vertex 5.057285e+000 -2.919529e+000 2.467858e+001 facet normal -7.640483e-01 6.451590e-01 3.338815e-04 vertex -1.032505e+02 1.030635e+02 1.055000e+01 vertex -9.955246e+01 9.204320e+01 2.550000e+00 facet normal 0.0820856 0.0820533 -0.993242 facet normal -0.915295 0.396591 -0.0703562 vertex 2.10997 8.94883 7.89406 facet normal 0.0376919 0.272942 0.961292 facet normal -4.264807e-001 -7.467901e-001 5.103124e-001 vertex -4.276118e-003 4.671325e+000 2.484593e+001 facet normal -0.533415 0.16181 0.830233 facet normal 7.480908e-001 6.635964e-001 0.000000e+000 facet normal -2.129174e-001 3.650203e-001 9.063258e-001 facet normal 0.736595 0.223441 -0.638358 vertex 5.54328 2.2961 6.59 vertex -0.4 3.34543 16.8559 facet normal -0.956954 0.288285 0.0336342 facet normal 0.0980045 0.995186 0 vertex -2.43301 -2.40512 18.1498 vertex 3.425 0 18.1498 facet normal 0.991524 -0.109219 0.0703592 facet normal 9.991298e-01 4.170739e-02 2.542647e-04 vertex -1.045763e+02 9.900120e+01 4.255000e+01 facet normal 0.125325 0.992116 -0 facet normal 2.571775e-01 1.650539e-03 9.663628e-01 vertex -1.058099e+02 9.665134e+01 1.146144e+01 vertex -1.056995e+02 9.695134e+01 1.143256e+01 facet normal -0.462425 -0.836797 0.293145 vertex -6.35181 0.410784 7.71954 facet normal -0.0729058 0.338907 0.937991 facet normal 0.878615 -0.0865373 0.469624 facet normal -9.449638e-01 6.305657e-04 -3.271744e-01 vertex -1.084626e+02 9.695134e+01 1.068604e+01 facet normal 9.768409e-01 -1.084761e-03 2.139643e-01 vertex -9.051197e+01 1.010241e+02 1.050056e+01 facet normal -0.260332 -0.938729 0.225866 facet normal 0.181148 0.3389 0.923218 vertex 3.54289 -8.26214 3.82299 facet normal -0.499998 0.866026 0 facet normal 5.628345e-001 8.265696e-001 -0.000000e+000 vertex 3.858692e+000 5.902027e+000 2.496000e+001 vertex -3.960817e+000 -5.892582e+000 9.983999e+000 vertex -2.690832e+000 -5.005927e+000 2.496000e+001 vertex -4.919635e+000 2.734702e+000 9.983999e+000 vertex 2.349824e+000 5.123229e+000 2.496000e+001 vertex -2.272202e+000 5.142284e+000 1.747200e+001 facet normal -3.306557e-001 5.696047e-001 7.524741e-001 facet normal 0.292521 -0.954699 0.0546087 facet normal 9.534050e-01 -7.361366e-03 3.016037e-01 facet normal 0.286343 0.118597 0.950759 facet normal 9.986508e-01 -1.901550e-03 5.189467e-02 vertex -9.055258e+01 1.011513e+02 1.114574e+01 facet normal 9.722114e-01 -2.341047e-01 2.836258e-04 vertex -1.043276e+02 9.702352e+01 4.255000e+01 facet normal -4.915316e-001 -8.601798e-001 1.359681e-001.

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