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Release at https://www.thingiverse.com/thing:20513 . Open Tasks // ====================================================================== /* [Basic Parameters] */ // Four hole threshold (HP // margins from edges h_margin = hole_dist_side + thickness; width_mm = hp_mm(h); difference() { 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); 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 7.34398 6.86102 vertex -0.0206242 -7.34599 6.86125 vertex 0 -5.37835 22.0001 vertex -4.47193 -2.98805 22.0001 vertex 3.84796 -3.74837 22.0001 vertex 5.37835 0 22.0001 vertex -3.80307 -3.80307 22.0001 vertex 5.25446 -1.11698 22.0001 vertex -4.50529 2.92564 22.0001 vertex 2.0582 -4.96895 22.0001 vertex 3.74837 3.84796 22.0001 vertex 0 8.99167 3 vertex 4.99803 -7.47422 3 vertex -1.75094 -8.81921 3 vertex 3.43783 -8.30816 3 vertex 1.75419 -8.81889 3 vertex -3.44384 8.30568 3 vertex 8.30816 3.43783 3 vertex 3.44384 -8.30568 3 vertex 6.36396 6.36396 0 vertex -5.69599 3.1314 20 vertex 3.48287 -5.48813 20 vertex 6.67052 -1.15689 20 vertex 6.92997 -0.232383 20 vertex 4.14326 -5.00834 19.9 facet normal 0.0694573 -0.618899 0.782394 facet normal -9.877527e-001 -1.560276e-001 0.000000e+000 vertex -3.245382e+000 4.591067e+000 9.983999e+000 vertex -5.338290e+000 -1.868363e+000 2.496000e+001 vertex 4.884630e+000 -2.925793e+000 1.747200e+001 facet normal 0.124598 -0.886057 0.446518 facet normal 0.464833 0.31635 -0.826954 facet normal 0.00130209 -0.115485 0.993308 vertex -1.0528 7.12884 7.81019 facet normal -0.989341 0.0974419 0.108207 facet normal 0.545288 -0.816076 -0.191524 facet normal 0.090613 0.920058 0.38116 vertex 0 -10.1904 0 2.19603 vertex -6.86157 -7.38961 2.58057 facet normal 0.225362 0.544079 0.808201 vertex 6.07199 0 19.1916 facet normal 8.178463e-01 -9.612482e-04 -5.754359e-01 facet normal -0.081619.

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