diff --git a/core/nodeslicer/nodes.py b/core/nodeslicer/nodes.py
index b19a31f..8ff5204 100644
--- a/core/nodeslicer/nodes.py
+++ b/core/nodeslicer/nodes.py
@@ -1345,7 +1345,7 @@ class SLICENODE_PrusaslicerSlice(SliceNode):
     def init(self, context):
         self.add_input("SLICESOCK_PrusaslicerConf", "Config")
         self.add_input("SLICESOCK_Settings", "Settings")
-        self.add_multi_socket_group("SLICESOCK_Mesh", "SLICESOCK_GcodeRo", name="Slicing Group")
+        self.add_multi_socket_group("SLICESOCK_Mesh", "SLICESOCK_GcodeRo", name="Slicing Group", in_name="Mesh", out_name="Gcode")
 
     def draw_buttons(self, context, layout):
         assert layout
@@ -1480,15 +1480,15 @@ class SLICENODE_PrusaslicerPreview(ExecSliceNode):
 
     def init(self, context):
         self._init_exec()
-        self.add_input("SLICESOCK_Gcode", "Gcode")
+        self.add_multi_socket_group("SLICESOCK_Gcode", name="Gcode")
 
     def draw_buttons(self, context, layout):
         super().draw_buttons(context, layout)
         layout.prop(self, "prusaslicer_executable")
 
     def evaluate(self, operator=None):
-        gcode: str = self.resolve("Gcode")
-        if not gcode:
+        gcodes: list[str] = [g for g in self.resolve_multi_input("Gcode") if g]
+        if not gcodes:
             if operator: operator.report({'ERROR'}, "No Gcode to preview")
             return 'no gcode'
 
@@ -1508,33 +1508,33 @@ class SLICENODE_PrusaslicerPreview(ExecSliceNode):
             abs_path = bpy.path.abspath(cmd_parts[0])
             if os.path.exists(abs_path):
                 cmd_parts[0] = abs_path
-        
+
         # Final check if command exists
         if not shutil.which(cmd_parts[0]):
             if operator: operator.report({'ERROR'}, f"Command or executable not found: {cmd_parts[0]}")
             return 'error'
 
-        # Write to temp file
-        # We use a named temporary file that stays around for a bit.
-        # PrusaSlicer needs the file to exist when it starts.
-        fd, temp_path = tempfile.mkstemp(suffix='.gcode')
+        # Write to temp files
+        # We use named temporary files that stay around for a bit.
+        # PrusaSlicer needs the files to exist when it starts.
         try:
-            with os.fdopen(fd, 'w', encoding='utf-8') as f:
-                f.write(gcode)
-            
-            cmd = cmd_parts + ["--gcodeviewer", temp_path]
-            
-            # Use Popen to not block Blender
-            subprocess.Popen(cmd)
-            
+            for gcode in gcodes:
+                fd, temp_path = tempfile.mkstemp(suffix='.gcode')
+                with os.fdopen(fd, 'w', encoding='utf-8') as f:
+                    f.write(gcode)
+                
+                cmd = cmd_parts + ["--gcodeviewer", temp_path]
+                
+                # Use Popen to not block Blender
+                subprocess.Popen(cmd)
+
             if operator: 
-                operator.report({'INFO'}, f"PrusaSlicer Preview launched")
+                operator.report({'INFO'}, f"PrusaSlicer Previews launched")
         except Exception as e:
             if operator: operator.report({'ERROR'}, f"Failed to launch preview: {str(e)}")
             return 'error'
 
         return 'ok'
-
 @register_class
 class SLICENODE_GcodeToMesh(ExecSliceNode):
     bl_label = "Gcode Preview"