diff --git a/src/main/scala/BIDMach/networks/layers/ModelLayer.scala b/src/main/scala/BIDMach/networks/layers/ModelLayer.scala
index 34af05f2..09d600aa 100644
--- a/src/main/scala/BIDMach/networks/layers/ModelLayer.scala
+++ b/src/main/scala/BIDMach/networks/layers/ModelLayer.scala
@@ -15,7 +15,7 @@ import java.util.HashMap;
 import BIDMach.networks._
 
 
-class ModelLayer(override val net:Net, override val opts:ModelNodeOpts = new ModelNode) extends Layer(net, opts) {
+class ModelLayer(override val net:Net, override val opts:ModelNodeOpts = new ModelNode, val nmats:Int = 1) extends Layer(net, opts) {
 	var imodel = 0;
   
   override def getModelMats(net:Net):Unit = {
@@ -27,11 +27,14 @@ class ModelLayer(override val net:Net, override val opts:ModelNodeOpts = new Mod
 			} else {
 				val len = net.modelMap.size;
 				net.modelMap.put(opts.modelName, len + net.opts.nmodelmats); 	
+				for (i <- 1 until nmats) {
+				  net.modelMap.put(opts.modelName+"_%d" format i, len + i + net.opts.nmodelmats);
+				}
 				len;
 			}
 		} else {                                         // Otherwise return the next available int
-			net.imodel += 1;
-			net.imodel - 1;
+			net.imodel += nmats;
+			net.imodel - nmats;
 		};
   }
 }