--- /dev/null
+puts "============"
+puts "OCC1477"
+puts "============"
+puts ""
+######################################################
+# Problems in MakePipeShell
+# (case 12)
+######################################################
+
+restore [locate_data_file OCC1477-1.brep] s1
+restore [locate_data_file OCC1477-2.brep] s2
+
+checkshape s1
+checkshape s2
+
+mksweep s1
+
+addsweep s2 -T 0 1 1 2 2 .5
+
+if { [catch {buildsweep result -R} catch_result] } {
+ puts "Faulty OCC1477"
+}
+
+set good_square 1.99019e+06
+set 3dviewer 1
+