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Cfn=round(2*cird*PI/cwd); clf=360/cfn; crn=ceil(chg/csh); echo("knurled cylinder min diameter: ", 2*cord); echo("knurled cylinder min diameter: ", 2*cird); if( fsh < 0 ) { 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 -8.56166 5.56266 facet normal 0.880764 0.468299 0.0703603 vertex 9.96788 -1.59472 0.0491304 facet normal -1.125775e-14 -1.000000e+00 -6.357058e-15 facet normal 0.334131 0.625113 0.705401 facet normal 2.271815e-004 3.975678e-004 -9.999999e-001 facet normal -2.096573e-001 -3.669004e-001 9.063267e-001 facet normal -0.583826 0.805791 0.099236 facet normal -0.736593 0.223445 -0.63836 facet normal -1.763529e-001 -9.843270e-001 0.000000e+000 vertex -3.571954e-001 -7.109637e+000 2.496000e+001 vertex 2.286077e+000 6.660499e+000 2.496000e+001 vertex 1.951762e+000 6.764269e+000 1.747200e+001 facet normal 0.0980237 0.995112 -0.0119421 facet normal 0.995186 -0.0980092 3.9263e-06 facet normal 9.728792e-01 -3.526264e-03 -2.312871e-01 facet normal -0.555578 -0.831465 -5.23636e-08 facet normal 2.964444e-001 9.550501e-001 -0.000000e+000 vertex 2.091881e+000 5.232259e+000 1.747200e+001 facet normal -9.342429e-01 -3.566374e-01 -0.000000e+00 vertex -1.042959e+02 9.691003e+01 3.455000e+01 facet normal 8.379958e-001 5.456766e-001 0.000000e+000 facet normal 0.991506 -0.0943295 0.089547 facet normal 0.439079 0.687862 0.577975 vertex 4.46654 5.55594 7.22283 vertex 4.43088 -5.75031 7.41293 vertex -4.34382 5.5867 7.39225 facet normal -0.0820711 0.0818897 0.993256 facet normal 0.403621 -0.491817 0.771496 vertex 7.11876 4.7566 5.56266 facet normal 0.828666 -0.0817378 0.553744 facet normal -0.0980344 -0.988479 0.115322 facet normal 0.0100577 -0.00636613 0.999929 vertex -7.01486 -3.85645 19.9497 facet normal 8.855914e-01 7.259219e-03 -4.644083e-01 vertex -1.091614e+02 9.725134e+01 1.202027e+01 facet normal 0.0816302 -0.828702 0.553705 facet normal -0.989344 0.0974275.

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