segment_overlap = 15;
-loose_fit_diam_diff = 0.5; // cylinder with outer diameter d1
+loose_fit_diam_diff = 1.0; // cylinder with outer diameter d1
// will fit loosely into the hole with inner diameter
// d1 + loose_fit_diam_diff
-tight_fit_diam_diff = 0.25; // cylinder with outer diameter d1
+tight_fit_diam_diff = 0.5; // cylinder with outer diameter d1
// will fit tightly into the hole with inner diameter
// d1 + tight_fit_diam_diff