Index: /issm/trunk/src/m/model/extrude.m
===================================================================
--- /issm/trunk/src/m/model/extrude.m	(revision 7365)
+++ /issm/trunk/src/m/model/extrude.m	(revision 7366)
@@ -240,4 +240,7 @@
 end
 
+%mask:
+md.mask=project3d(md,md.mask,'node');
+
 %increase connectivity if less than 25:
 if md.connectivity<=25,