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Assign(lf0=lf*i, lf1=lf*(i+1/2), lf2=lf*(i+1)) { polyhedron( points=[ [ 0,0,h0], [ ord*cos(lf0), ord*sin(lf0), h2], [ ird*cos(lf1), ird*sin(lf1), h0], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" s_smooth - [ 2 ] ,, Cylinder's Outer Diameter before applying the knurled surfacefinishing. "); echo(" knurl_dp - [ 4 ] ,, Knurl's Height. "); echo(" knurl_dp - [ 25 ] ,, Knurl's Height. "); echo(" k_cyl_od - [ 25 ] ,, Knurl's Width. "); echo(" values may be used to endorse or promote products derived from the.

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