Index: work/fem/matlab/AddPcbrndVia.m
===================================================================
--- work/fem/matlab/AddPcbrndVia.m	(revision 29955)
+++ work/fem/matlab/AddPcbrndVia.m	(revision 29956)
@@ -1,4 +1,4 @@
-function CSX = AddPcbrndVia(CSX, PCBRND, layer_start, layer_stop, points, dia_od)
+function CSX = AddPcbrndVia(CSX, PCBRND, layer_start, layer_stop, points, dia_od, dia_id)
 %
 % Copyright (C) 2017 Evan Foss
 %
@@ -21,10 +21,6 @@
 
 current = PCBRND.layer_types(PCBRND.layers(layer_start).number);
 
-% the following escapes my otherwise clean priority lookup scheme and I 
-% should appologize for that.
-priority = PCBRND.prio.coppertrace;
-
 % we need the start and stop layer info for the following reasons
 % if ether of them is 3D instead of 2D that must be added to the via.
 % we need to use the matterial from the start layer to decide the via 
@@ -40,7 +36,8 @@
 
 % unlike the other public functions in pcb2csx this currently doesn't obey any 
 % changes on 2D vs 3D copper layers. 
-CSX = AddCylinder(CSX, current.name, 1, start_point, stop_point, dia_od);
+CSX = AddCylinder(CSX, current.name, PCBRND.prio.copperplane, start_point, stop_point, dia_od);
+CSX = AddCylinder(CSX, PCBRND.void.name, PCBRND.prio.void, start_point, stop_point, dia_id);
 
 endfunction