--- /dev/null
+puts "TODO OCC12345 ALL: Faulty OCC264_1: here is shading problem"
+puts "TODO OCC12345 ALL: Error : The square of result shape is"
+
+puts "========"
+puts "OCC264"
+puts " (case 1)"
+puts "========"
+
+restore [locate_data_file OCC264_01.brep] result
+puts [checkshape result]
+
+tclean result
+vinit
+vdisplay result
+vclear
+
+isos result 0
+triangles result
+
+set tri_info [trinfo result]
+regexp { +([-0-9.+eE]+) +triangles} $tri_info full tri
+regexp { +([-0-9.+eE]+) +nodes} $tri_info full nod
+
+if { $tri != 26 && $nod != 28 } {
+ puts "Faulty OCC264_1: here is shading problem"
+} else {
+ puts "Shading of OCC264_1 is OK"
+}
+
+set square 0
+set 2dviewer 0