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Cwd, csh, cdp, fsh, smt) { cord=(cod+cdp+cdp*smt/100)/2; cird=cord-cdp; cfn=round(2*cird*PI/cwd); clf=360/cfn; crn=ceil(chg/csh); echo("knurled cylinder max 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 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], [ ord*cos(lf0), ord*sin(lf0), h0], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" knurl_hg - [ 4 ] ,, Cylinder's Outer Diameter before applying the knurled cylinder "); echo(" knurl_hg - [ 3 ] ,, Knurl's Surface Smoothing : File donwn the top edge. [mm] // Number of facets of rounding cylinder ct = -0.1; // circle translate? Not sure. // // // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // one more vertical to mount the circuit board sideways on // h = engraved_indicator_depth * 2, $fn = knob_faces); // Create a hole with radius: ", hole_r , " at ", width_mm - h_margin; input_column = h_margin; bottom_row = v_margin + 12; row_2 = row_1 + vertical_space/7; row_7.

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