Index: export_openscad.c
===================================================================
--- export_openscad.c	(revision 17269)
+++ export_openscad.c	(revision 17270)
@@ -436,6 +436,7 @@
 			break;
 
 		case PCB_HID_COMP_POSITIVE:
+		case PCB_HID_COMP_POSITIVE_XOR:
 			scad_new_layer(1);
 			break;
 		case PCB_HID_COMP_NEGATIVE: