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10; knob_height = 5; $fn=FN; tolerance = 0.25; // this is weird and easy to confuse; I initially heard it offset by two beats Paul Simon (just rlrl all day, accenting every backbeat. It's basically a rock beat.): .... 1 + 2 * nothing cube(cutoff_size, center = false); z_position = height / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); hole_horiz = (board_width - hole_hdist) / 2; hole_vert = (board_height - hole_vdist) / 2; standoff_radius = hole_radius * 2.5; standoff_height = 3; 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 7.5203 6.0001 facet normal -0.364903 -0.547893 0.752767 facet normal -0.683075 -0.61809 0.389067 vertex 4.46475 -5.79165 7.41914 facet normal -0.555569 0.831471 0 vertex -3.4666 8.83276 6.17308 vertex -7.9145 5.54857 3.25404 vertex -7.23142 4.9303 12.3523 facet normal -0.468624 0.876745 0.108209 vertex 3.18104 -4.87024 21.335 facet normal -0.630715 -0.768435 0.108196 facet normal -0.471368 0.881855 -0.0120138 facet normal -0.447804 -0.38247 0.808201 vertex 6.07199 0 19.1916 facet normal -2.845761e-001 -4.980084e-001 8.191484e-001 facet normal 3.330389e-001 -5.682179e-001 7.524716e-001 vertex -3.489263e+000 2.717412e+000 2.491820e+001 facet normal 0.787328 -0.189052 0.586834 vertex 1.99666 -0.380651 19.8418 facet normal 4.195761e-04 0.000000e+00 -9.999999e-01 facet normal 0.0820366 -0.0818217 -0.993265 vertex -4.02975 3.69322 21.8414 facet normal -9.211543e-01 3.954124e-03 -3.891774e-01 vertex -1.043845e+02 9.695134e+01 1.179820e+01 facet normal 8.550802e-01 5.222628e-03 5.184694e-01 facet normal 0.0815881 0.828666 0.553765 facet normal -0.174189 0.420502 0.890414 facet normal 0.0348077 -0.996914 -0.0703583 vertex -8.28883 -5.76169 0.0491304 vertex -9.85076 -0.152107 1.39674 facet normal 0.0942884 0.991507 0.0895734 facet normal -3.439695e-15 -5.206609e-15 1.000000e+00 facet normal -0.920076 -0.0458155 0.389052 vertex 0.938256 -7.25237 7.41914 facet normal 4.496501e-001 7.868881e-001 4.226369e-001 facet normal 0.308981 -0.0243251 0.950757 facet normal -4.328611e-001 -7.575076e-001 4.886855e-001 vertex 6.128995e-001 4.320654e+000 2.484855e+001 facet normal -1.660210e-01 -9.861222e-01 3.464485e-04 vertex -9.877515e+01 9.184439e+01 4.255000e+01 facet normal 0.451284 0.844291 0.288991 vertex -3.4335 -8.28921 4.79464 facet normal 7.990207e-01 -6.013036e-01 0.000000e+00.

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