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Lf1=lf*(i+1/2), lf2=lf*(i+1)) { polyhedron( points=[ [ 0,0,h0], [ ord*cos(lf0), ord*sin(lf0), h0], [ ord*cos(lf2), ord*sin(lf2), h2] ], triangles=[ [0,1,2],[2,3,0], [1,0,4],[4,0,7],[7,8,4], [8,7,9],[10,9,7], [10,7,6],[6,7,0],[3,6,0], [2,1,4],[3,2,6],[10,6,9],[8,9,4], [4,5,2],[2,5,6],[6,5,9],[9,5,4] ], convexity=5); } } // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top edge or circumference using cones or cylinders arranged in a circle. Used only where users want round outlines by specifying ≥30 faces. Quality == "fast preview") ? 12 : 12; // [1:1:84] /* [Holes] */ // Line segments for circles U = 44.45; // Horizontal pitch size (mm HP = 5.08; //If you want a D-shaped shafthole if desired. If(shafthole_cutoff_arc_height != 0.

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