Index: work/gtk/layersel/layersel.c
===================================================================
--- work/gtk/layersel/layersel.c	(revision 8529)
+++ work/gtk/layersel/layersel.c	(revision 8530)
@@ -259,6 +259,16 @@
 
 	gtk_box_pack_start(GTK_BOX(main_box), gtk_hseparator_new(), FALSE, FALSE, 0);
 
+	{ /* build hardwired virtual layers */
+		layersel_grp_t *lsg = &ls->grp[3];
+		gtk_box_pack_start(GTK_BOX(main_box), build_group_start(ls, lsg, "Virtual"), FALSE, FALSE, 0);
+		gtk_box_pack_start(GTK_BOX(lsg->layers), build_layer(lsg, &lsg->layer[0], "Pins/Pads"), FALSE, FALSE, 1);
+		gtk_box_pack_start(GTK_BOX(lsg->layers), build_layer(lsg, &lsg->layer[1], "Vias"), FALSE, FALSE, 1);
+		gtk_box_pack_start(GTK_BOX(lsg->layers), build_layer(lsg, &lsg->layer[2], "Far side"), FALSE, FALSE, 1);
+		gtk_box_pack_start(GTK_BOX(lsg->layers), build_layer(lsg, &lsg->layer[3], "All-silk"), FALSE, FALSE, 1);
+		build_group_finish(lsg);
+	}
+
 	spring = gtkc_hbox_new(FALSE, 0);
 	gtk_box_pack_start(GTK_BOX(main_box), spring, TRUE, TRUE, 0);
 
Index: work/gtk/layersel/layersel.h
===================================================================
--- work/gtk/layersel/layersel.h	(revision 8529)
+++ work/gtk/layersel/layersel.h	(revision 8530)
@@ -29,7 +29,7 @@
 
 
 struct pcb_gtk_layersel_s {
-	layersel_grp_t grp[3];
+	layersel_grp_t grp[4];
 };
 
 GtkWidget *pcb_gtk_layersel_build(pcb_gtk_layersel_t *ls);
Index: work/gtk/layersel/layersel_demo.c
===================================================================
--- work/gtk/layersel/layersel_demo.c	(revision 8529)
+++ work/gtk/layersel/layersel_demo.c	(revision 8530)
@@ -14,6 +14,7 @@
 	ls.grp[0].on = 1;
 	ls.grp[1].on = 1;
 	ls.grp[2].on = 1;
+	ls.grp[3].on = 1;
 
 	/* Initialize the widget set */
 	gtk_init(&argc, &argv);