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BackManifold rotate_extrude(convexity = 5, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, $fn = smooth } module knurled_finish(ord, ird, lf, sh, fn, rn) { for(j=[0:rn-1]) assign(h0=sh*j, h1=sh*(j+1/2), h2=sh*(j+1)) { for(i=[0:fn-1]) assign(lf0=lf*i, lf1=lf*(i+1/2), lf2=lf*(i+1)) { polyhedron( points=[ [ 0,0,h0], [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ord*cos(lf1), ord*sin(lf1), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h2], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" e_smooth - [ 2 ] ,, Knurl's.
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- -9.675080e-001 -2.528406e-001 0.000000e+000 vertex -1.168555e+000 6.931669e+000 9.983999e+000.