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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 -7.5203 6.0001 facet normal 0.109882 0.552272 -0.826391 vertex 0.4 3.005 16.275 vertex -0.4 3.09564 18.7502 facet normal -7.011925e-01 3.483989e-03 7.129634e-01 vertex -1.047458e+02 9.695134e+01 9.438131e+00 vertex -1.046955e+02 9.725134e+01 9.489068e+00 facet normal 0.630746 -0.768414 0.108161 facet normal 0.995188 0.0979808 0 facet normal -0.956711 -0.0765948 0.280779 facet normal 4.225826e-001 1.881289e-003 9.063225e-001 vertex -5.157188e+000 -6.461623e-002 2.491820e+001 facet normal 9.981389e-01 -3.527984e-03 -6.087880e-02 vertex -1.094189e+02 9.695134e+01 1.106233e+01 facet normal -5.019339e-001 8.605030e-001 8.716053e-002 vertex 2.553608e+000 -4.383677e+000 2.470218e+001 facet normal -0.0620831 -0.0776614 0.995045 vertex 4.13852 -7.16813 19.9688 vertex 5.9343 5.50622 19.9509 vertex 9.41211 0 20.0916 vertex.

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