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Ird; y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( fsh == 0 cylinder(h=chg, r=cord-cdp*smt/100, $fn=2*cfn, center=false); shape(fsh, cird, cord-cdp*smt/100, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg 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), h2], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" knurl_hg - [ 3 ] ,, Height for the grant of the main (cylindrical or conical) knob shape, without the stem. [mm] stem_transition_radius = 8.8; /* [Setscrew Hole (optional)] */ // // // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top horizontal rib // h_wall(h=4, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin * rail_depth] // top horizontal rib // bottom horizontal rib h_wall(h=4, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin * height], // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * rail_depth] // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height], // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * rail_depth] // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib h_wall(h=4, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // Create a hole.

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