Index: tests/regression/Tesselation/2/post/ConvexEnvelope.r3d
===================================================================
--- tests/regression/Tesselation/2/post/ConvexEnvelope.r3d	(revision f37746b3594740cf70d4b40cfba179f483b06139)
+++ tests/regression/Tesselation/2/post/ConvexEnvelope.r3d	(revision 0c5eeb409cae578bdec87b091364dde4c8b6940e)
@@ -2,10 +2,4 @@
 @header.r3d
 # All atoms as spheres
-2
-  1.24926 -0.240937 -4.44089e-16 	0.1	1. 1. 1.
-2
-  -3.63639e-05 0.642463 -4.44089e-16 	0.1	1. 1. 1.
-2
-  -1.24924 -0.240937 -4.44089e-16 	0.1	1. 1. 1.
 2
   1.24926 -0.870237 -0.89 	0.1	1. 1. 1.
@@ -13,5 +7,5 @@
   1.24926 -0.870237 0.89 	0.1	1. 1. 1.
 2
-  2.13922 0.388414 -4.44089e-16 	0.1	1. 1. 1.
+  2.13922 0.388414 0 	0.1	1. 1. 1.
 2
   -3.63639e-05 1.27176 -0.89 	0.1	1. 1. 1.
@@ -19,9 +13,15 @@
   -3.63639e-05 1.27176 0.89 	0.1	1. 1. 1.
 2
-  -2.13919 0.388414 -4.44089e-16 	0.1	1. 1. 1.
+  -2.13919 0.388414 0 	0.1	1. 1. 1.
 2
   -1.24924 -0.870237 -0.89 	0.1	1. 1. 1.
 2
   -1.24924 -0.870237 0.89 	0.1	1. 1. 1.
+2
+  1.24926 -0.240937 0 	0.1	1. 1. 1.
+2
+  -3.63639e-05 0.642463 0 	0.1	1. 1. 1.
+2
+  -1.24924 -0.240937 0 	0.1	1. 1. 1.
 # All tesselation triangles
 8
@@ -30,21 +30,21 @@
   BACKFACE  0.3 0.3 1.0   0 0
 1
-  1.24926 -0.870237 -0.89 	2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 -0.89 	1. 0. 0.
+  1.24926 -0.870237 -0.89 	2.13922 0.388414 0 	-3.63639e-05 1.27176 -0.89 	1. 0. 0.
 1
   1.24926 -0.870237 -0.89 	-3.63639e-05 1.27176 -0.89 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 -0.89 	-2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 -0.89 	1. 0. 0.
+  -3.63639e-05 1.27176 -0.89 	-2.13919 0.388414 0 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
+  2.13922 0.388414 0 	-3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	-2.13919 0.388414 -4.44089e-16 	1. 0. 0.
+  -3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	-2.13919 0.388414 0 	1. 0. 0.
 1
-  1.24926 -0.870237 0.89 	2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
+  1.24926 -0.870237 0.89 	2.13922 0.388414 0 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
 1
   1.24926 -0.870237 0.89 	-3.63639e-05 1.27176 0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 0.89 	-2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 0.89 	1. 0. 0.
+  -3.63639e-05 1.27176 0.89 	-2.13919 0.388414 0 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
-  -2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
+  -2.13919 0.388414 0 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
   1.24926 -0.870237 0.89 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
@@ -52,5 +52,5 @@
   1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	2.13922 0.388414 -4.44089e-16 	1. 0. 0.
+  1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	2.13922 0.388414 0 	1. 0. 0.
 9
 #  terminating special property
@@ -59,5 +59,5 @@
   25.0    0.6     -1.0 -1.0 -1.0     0.2        0 0 0 0
 2
-  1.54591 -0.450686 -8.88178e-16	5	1 0 0
+  1.54591 -0.450686 -4.44089e-16	5	1 0 0
 9
   terminating special property
Index: tests/regression/Tesselation/2/post/NonConvexEnvelope.r3d
===================================================================
--- tests/regression/Tesselation/2/post/NonConvexEnvelope.r3d	(revision f37746b3594740cf70d4b40cfba179f483b06139)
+++ tests/regression/Tesselation/2/post/NonConvexEnvelope.r3d	(revision 0c5eeb409cae578bdec87b091364dde4c8b6940e)
@@ -2,10 +2,4 @@
 @header.r3d
 # All atoms as spheres
-2
-  1.24926 -0.240937 -4.44089e-16 	0.1	1. 1. 1.
-2
-  -3.63639e-05 0.642463 -4.44089e-16 	0.1	1. 1. 1.
-2
-  -1.24924 -0.240937 -4.44089e-16 	0.1	1. 1. 1.
 2
   1.24926 -0.870237 -0.89 	0.1	1. 1. 1.
@@ -13,5 +7,5 @@
   1.24926 -0.870237 0.89 	0.1	1. 1. 1.
 2
-  2.13922 0.388414 -4.44089e-16 	0.1	1. 1. 1.
+  2.13922 0.388414 0 	0.1	1. 1. 1.
 2
   -3.63639e-05 1.27176 -0.89 	0.1	1. 1. 1.
@@ -19,9 +13,15 @@
   -3.63639e-05 1.27176 0.89 	0.1	1. 1. 1.
 2
-  -2.13919 0.388414 -4.44089e-16 	0.1	1. 1. 1.
+  -2.13919 0.388414 0 	0.1	1. 1. 1.
 2
   -1.24924 -0.870237 -0.89 	0.1	1. 1. 1.
 2
   -1.24924 -0.870237 0.89 	0.1	1. 1. 1.
+2
+  1.24926 -0.240937 0 	0.1	1. 1. 1.
+2
+  -3.63639e-05 0.642463 0 	0.1	1. 1. 1.
+2
+  -1.24924 -0.240937 0 	0.1	1. 1. 1.
 # All tesselation triangles
 8
@@ -30,21 +30,21 @@
   BACKFACE  0.3 0.3 1.0   0 0
 1
-  1.24926 -0.870237 -0.89 	2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 -0.89 	1. 0. 0.
+  1.24926 -0.870237 -0.89 	2.13922 0.388414 0 	-3.63639e-05 1.27176 -0.89 	1. 0. 0.
 1
   1.24926 -0.870237 -0.89 	-3.63639e-05 1.27176 -0.89 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 -0.89 	-2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 -0.89 	1. 0. 0.
+  -3.63639e-05 1.27176 -0.89 	-2.13919 0.388414 0 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
+  2.13922 0.388414 0 	-3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	-2.13919 0.388414 -4.44089e-16 	1. 0. 0.
+  -3.63639e-05 1.27176 -0.89 	-3.63639e-05 1.27176 0.89 	-2.13919 0.388414 0 	1. 0. 0.
 1
-  1.24926 -0.870237 0.89 	2.13922 0.388414 -4.44089e-16 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
+  1.24926 -0.870237 0.89 	2.13922 0.388414 0 	-3.63639e-05 1.27176 0.89 	1. 0. 0.
 1
   1.24926 -0.870237 0.89 	-3.63639e-05 1.27176 0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
-  -3.63639e-05 1.27176 0.89 	-2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 0.89 	1. 0. 0.
+  -3.63639e-05 1.27176 0.89 	-2.13919 0.388414 0 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
-  -2.13919 0.388414 -4.44089e-16 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
+  -2.13919 0.388414 0 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
 1
   1.24926 -0.870237 0.89 	-1.24924 -0.870237 -0.89 	-1.24924 -0.870237 0.89 	1. 0. 0.
@@ -52,5 +52,5 @@
   1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	-1.24924 -0.870237 -0.89 	1. 0. 0.
 1
-  1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	2.13922 0.388414 -4.44089e-16 	1. 0. 0.
+  1.24926 -0.870237 -0.89 	1.24926 -0.870237 0.89 	2.13922 0.388414 0 	1. 0. 0.
 9
 #  terminating special property
@@ -59,5 +59,5 @@
   25.0    0.6     -1.0 -1.0 -1.0     0.2        0 0 0 0
 2
-  1.54591 -0.450686 -8.88178e-16	5	1 0 0
+  1.54591 -0.450686 -4.44089e-16	5	1 0 0
 9
   terminating special property
