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Module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt crn=ceil(chg/csh); echo("knurled cylinder min diameter: ", 2*cord); echo("knurled cylinder min diameter: ", 2*cird); if( fsh < 0 shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg x0= 0; x1 = hsh > 0 ? Ird : ord; x2 = hsh > 0 ? Ird : ord; x2 = hsh > 0 ? Ord : ird; y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( hsh >= 0 ) { 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 10.1139 2.58057 vertex -2.33215 -9.81063 2.58057 facet normal 9.800099e-01 6.837851e-03 1.988314e-01 facet normal -8.334678e-001 5.525680e-001 0.000000e+000 vertex 8.646397e+000 4.992001e+000 0.000000e+000 facet normal 0.780265 -0.0331712 0.624569 facet normal 0.554724 0.0419323 0.830977 facet normal 0.183007 -0.98059 0.0703638 facet normal -0.367773 -0.111478 0.923209 facet normal 0.991507 0.0942884 0.0895734 facet normal 0.0285769 0.290164 0.95655 vertex 3.09018 -7.46035 5.88782 facet normal -0.144952 -0.617515 0.773087 vertex 5.07598 4.42088 7.17947 vertex -6.8561 0.38016 7.04537 facet normal 9.996062e-01 2.806048e-02 -0.000000e+00 facet normal -6.586177e-001 -2.932776e-003 7.524720e-001 vertex -4.093767e+000 7.696929e-001 2.488700e+001 facet normal 0.989315 -0.0975872 0.108317 facet normal -4.085749e-13 -1.000000e+00 3.777603e-15 facet normal 0.992162 -0.101047 0.0735128 facet normal -0.309927 -0.7481 0.586763 vertex 3.2761 2.20578 19.9 facet normal 0.768461 -0.630682 0.108208 facet normal 0.081619 0.828696 0.553716 vertex -1.94385 9.77239 2.94279 vertex -5.53561 -8.28463 2.94279 facet normal 3.861513e-001 6.787009e-001 6.247017e-001 vertex 4.100003e+000 -1.657553e+000 2.484855e+001 facet normal -0.243743 -0.188053 0.951433 facet normal -2.953219e-001 -5.172258e-001 8.032823e-001 vertex -5.693845e-003 5.917491e+000 2.490742e+001 facet normal -5.035336e-001 -2.242198e-003 8.639727e-001 facet normal 0.714669 -0.586516 0.381113 facet normal -0.0169529 0.828691 0.559449 vertex -7.28282 0.821781 7.24568 facet normal 0.555569 0.83147 0 vertex 3.44415 8.31492 3.82299 facet normal 0.768293 0.629624 0.115323 vertex -4.6286 0 21.7443 facet normal -0.80732 0.0635162 0.586685 facet normal 0.730693 0.622304 0.280758 facet normal 0.749604 0.288937 0.59549 vertex -5.40021 -4.41978 7.20613 vertex 5.23815 4.40436 7.19149 facet normal 5.008446e-001 -8.586348e-001 1.090915e-001 facet normal -0.0980109 0.00964667 0.995139 vertex 0 8.97218 4.79464 facet normal 0.358969 0 -0.933349 facet normal -0.0127267 0.705404 0.708692 vertex -7.29119 -0.781299 7.20554 facet normal -0.0820584 -0.0817537 -0.993269 vertex -3.87686 -3.87686 21.8439 facet normal 0.103805 -0.261456 0.959617 vertex 4.97711 -4.83683 6.93683 facet normal 0.0731598 -0.0731598.

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