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Line segments for circles printer_z_fix = 0.2; // Padding to maintain manifold // // this is the main module. It calls the submodules. Make_the_knob(); module make_the_knob() { difference() { 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 7.40505 6.86814 facet normal 0.290358 0.956918 -0 facet normal 0.816128 0.545352 -0.191121 facet normal 8.591564e-14 -1.000000e+00 4.634035e-14 facet normal 0.0218118 -0.172865 0.984704 facet normal 0.166294 -0.21962 0.961308 vertex -5.04394 -5.04394 6.87796 vertex -7.13918 0.0610838 6.87866 vertex 0 -8.56166 5.56266 facet normal 0.152472 -0.0366121 0.987629 vertex 4.51686 -0.737827 18.8084 vertex 4.63878 -0.0775843 18.7299 vertex 4.15202 0.0392752 18.7299 vertex 3.7344 -0.339142 18.8084 facet normal 0.28858 -0.951321 0.108209 vertex -5.48554 1.87874 21.335 facet normal -9.712941e-01 -2.378820e-01 1.430808e-04 facet normal -0.95694 0.290287 0 vertex -3.4666 8.83276 6.17308 vertex -3.2059 -8.2001 11.7816 facet normal 9.915277e-01 1.759161e-03 1.298834e-01 vertex -9.052261e+01 1.005513e+02 1.055902e+01 vertex -9.053832e+01 1.005513e+02 1.067898e+01 facet normal -0.367707 -0.00384412 0.929934 facet normal -0.82034 0.163178 -0.548101 facet normal 3.693062e-13 -1.000000e+00 7.776002e-13 vertex -1.083783e+02 9.665134e+01 1.052415e+01 facet normal -4.961389e-001 -8.682432e-001 0.000000e+000 facet normal 0.869711 -0.0906015 0.485175 vertex 6.35535 0.201366 7.51116 facet normal 9.286611e-01 4.719780e-04 -3.709291e-01 vertex -9.041368e+01 1.006749e+02 1.197185e+01 facet normal -0.114117 0.0998673 0.988435 facet normal -9.916058e-01 1.292925e-01 -1.184565e-03 vertex -9.023081e+01 9.815134e+01 1.755000e+01 facet normal -9.527799e-01 3.036605e-01 8.491612e-04 vertex -1.042959e+02 9.691003e+01 2.655000e+01 facet normal 0.241718 0.796849 0.553718 facet normal -0.049752 0.0861726 -0.995037 facet normal -0.995184 -0.0980238 0 vertex -8.65691 -5.31736 0 vertex 9.99456 -1.98804 2.19603 vertex -8.40938 5.61897 2.58057 facet normal -0.0208841 0.0914064 -0.995595 vertex -1.87526 9.8175 0.0484862 facet normal 0.115828 -5.30788e-07 -0.993269 facet normal -0.118608 0.286346 0.950757 vertex 4.95595 -1.09111 18.9636 vertex 5.62459 0 18.9636 facet normal -4.792345e-001 -8.386598e-001 2.588127e-001 facet normal 0.499988 -0.866033 4.3475e-06 facet normal -0.365743 -0.30016 0.880986 facet normal -2.727314e-001 -9.620902e-001 0.000000e+000 vertex 2.396324e+000 -6.709526e+000 1.747200e+001 facet normal -0.00906568 0.644985 0.764141 vertex 5.11681 -4.57918 7.04537 facet normal 0.00384788 0.367707 0.929934 facet normal 0.0100577 0.00636613 0.999929 vertex -7.01486 -3.85645 19.9497 facet normal 0.976242 -0.096139 0.194186 facet normal 0.260353 -0.938727 0.22585 facet normal -0.615849.

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