Index: /issm/trunk-jpl/src/m/classes/mesh3dprisms.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/mesh3dprisms.m	(revision 21500)
+++ /issm/trunk-jpl/src/m/classes/mesh3dprisms.m	(revision 21501)
@@ -109,11 +109,11 @@
 			md = checkfield(md,'fieldname','mesh.z','>=',md.geometry.base-10^-10,'message','''mesh.z'' lower than bedrock');
 			md = checkfield(md,'fieldname','mesh.z','<=',md.geometry.surface+10^-10,'message','''mesh.z'' higher than surface elevation');
-			if any(max(abs(project2d(md,md.mesh.z,1)-project2d(md,md.geometry.base,1)))>1e-11),
+			if any(max(abs(project2d(md,md.mesh.z,1)-project2d(md,md.geometry.base,1)))>1e-10),
 				md = checkmessage(md,'md.mesh.z is not consistent with md.geometry.base, you changed the geometry after extrusion');
 			end
-			if any(max(abs(project2d(md,md.mesh.z,md.mesh.numberoflayers)-project2d(md,md.geometry.surface,1)))>1e-11),
+			if any(max(abs(project2d(md,md.mesh.z,md.mesh.numberoflayers)-project2d(md,md.geometry.surface,1)))>1e-10),
 				md = checkmessage(md,'md.mesh.z is not consistent with md.geometry.surface, you changed the geometry after extrusion !!');
 			end
-			if any(max(abs(project2d(md,md.mesh.z,md.mesh.numberoflayers)-project2d(md,md.mesh.z,1) - project2d(md,md.geometry.thickness,1)))>1e-11),
+			if any(max(abs(project2d(md,md.mesh.z,md.mesh.numberoflayers)-project2d(md,md.mesh.z,1) - project2d(md,md.geometry.thickness,1)))>1e-10),
 				md = checkmessage(md,'md.mesh.z is not consistent with md.geometry.thickness, you changed the geometry after extrusion !!');
 			end