Index: tests/RTT/ref/padrot.scad
===================================================================
--- tests/RTT/ref/padrot.scad	(revision 10563)
+++ tests/RTT/ref/padrot.scad	(revision 10564)
@@ -21,13 +21,13 @@
 	line_segment_r(1.270000,0.127000,0.037500,1.270000,-9.525000,180.000000,1,1,1);
 	line_segment_r(3.175000,0.127000,0.037500,1.905000,-7.937500,90.000000,1,1,1);
 	line_segment_r(1.270000,0.127000,0.037500,1.270000,-6.350000,180.000000,1,1,1);
-	line_segment_r(3.175060,0.127000,0.037500,3.399409,-4.932553,135.000000,1,1,1);
+	line_segment_r(3.175059,0.127000,0.037500,3.399409,-4.932553,135.000000,1,1,1);
 	line_segment_r(1.270167,0.127000,0.037500,4.971034,-5.606034,-135.000000,1,1,1);
-	line_segment_r(3.175060,0.127000,0.037500,4.297553,-4.034409,135.000000,1,1,1);
+	line_segment_r(3.175059,0.127000,0.037500,4.297553,-4.034409,135.000000,1,1,1);
 	line_segment_r(1.270167,0.127000,0.037500,2.725928,-3.360928,-135.000000,1,1,1);
-	line_segment_r(3.175060,0.127000,0.037500,5.939409,-4.932553,135.000000,1,1,1);
+	line_segment_r(3.175059,0.127000,0.037500,5.939409,-4.932553,135.000000,1,1,1);
 	line_segment_r(1.270167,0.127000,0.037500,7.511034,-5.606034,-135.000000,1,1,1);
-	line_segment_r(3.175060,0.127000,0.037500,6.837553,-4.034409,135.000000,1,1,1);
+	line_segment_r(3.175059,0.127000,0.037500,6.837553,-4.034409,135.000000,1,1,1);
 	line_segment_r(1.270167,0.127000,0.037500,5.265928,-3.360928,-135.000000,1,1,1);
 	line_segment_r(3.175058,0.127000,0.037500,3.816604,-8.568055,157.780670,1,1,1);
 	line_segment_r(1.270090,0.127000,0.037500,5.526405,-8.580501,-112.220581,1,1,1);
@@ -51,11 +51,11 @@
 	line_segment_r(1.270090,0.127000,0.037500,6.397117,-7.379843,-112.220581,1,1,1);
 	line_segment_r(0.330200,0.177800,0.037500,2.032000,-5.740400,90.000000,1,1,1);
 	line_segment_r(0.116743,0.177800,0.037500,2.073275,-5.534025,-135.000000,1,1,1);
-	line_segment_r(0.165100,0.177800,0.037500,2.197100,-5.492750,180.000000,1,1,1);
-	line_segment_r(0.116743,0.177800,0.037500,2.320925,-5.534025,-45.000000,1,1,1);
+	line_segment_r(0.165099,0.177800,0.037500,2.197099,-5.492750,180.000000,1,1,1);
+	line_segment_r(0.116744,0.177800,0.037500,2.320925,-5.534025,-44.999653,1,1,1);
 	line_segment_r(0.247650,0.177800,0.037500,2.362200,-5.699125,90.000000,1,1,1);
 	line_segment_r(0.660400,0.177800,0.037500,2.362200,-5.822950,180.000000,1,1,1);
-	line_segment_r(0.385076,0.177800,0.037500,2.527300,-5.591810,-149.036240,1,1,1);
+	line_segment_r(0.385077,0.177800,0.037500,2.527300,-5.591811,-149.036118,1,1,1);
 	line_segment_r(0.116743,0.177800,0.037500,2.073275,-5.253355,-45.000000,1,1,1);
 	line_segment_r(0.165100,0.177800,0.037500,2.032000,-5.129530,90.000000,1,1,1);
 	line_segment_r(0.116743,0.177800,0.037500,2.073275,-5.005705,-135.000000,1,1,1);
@@ -63,10 +63,10 @@
 	line_segment_r(0.165100,0.177800,0.037500,2.692400,-5.129530,90.000000,1,1,1);
 	line_segment_r(0.116743,0.177800,0.037500,2.651125,-5.253355,-135.000000,1,1,1);
 	line_segment_r(0.165100,0.177800,0.037500,2.329180,-5.129530,90.000000,1,1,1);
-	line_segment_r(0.132080,0.177800,0.037500,2.180590,-4.964430,180.000000,1,1,1);
+	line_segment_r(0.132079,0.177800,0.037500,2.180589,-4.964430,180.000000,1,1,1);
 	line_segment_r(0.198120,0.177800,0.037500,2.510790,-4.964430,180.000000,1,1,1);
 	line_segment_r(0.116743,0.177800,0.037500,2.370455,-5.005705,45.000000,1,1,1);
-	line_segment_r(0.116743,0.177800,0.037500,2.287905,-5.005705,135.000000,1,1,1);
+	line_segment_r(0.116744,0.177800,0.037500,2.287905,-5.005705,135.000351,1,1,1);
 	line_segment_r(0.508000,0.177800,0.037500,1.778000,-10.160000,90.000000,1,1,1);
 	line_segment_r(0.179605,0.177800,0.037500,1.714500,-10.477500,45.000000,1,1,1);
 	line_segment_r(0.254000,0.177800,0.037500,1.524000,-10.541000,180.000000,1,1,1);