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Center=true); if (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, 45] cube([2, 2, KnobHeight+.001], center=true); cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); // Pointer1: Offset hemispherical divot sphere(r=DivotRadius, $fn=40); // Divot1: Centered cylynrical divot // Flat for D-shaped hole } // Joy of Tech elseif (strpos($article['link'], 'leasticoulddo.com/comic') !== FALSE) { elseif (strpos($article['link'], 'campcomic.com/comic/') !== FALSE) { // 1U = 1.75" = 44.45mm // 1HP = 1/5" = 5.08mm // u[nits] function.

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