diff --git a/boxes/generators/two_piece.py b/boxes/generators/two_piece.py
new file mode 100644
index 0000000..66b40d0
--- /dev/null
+++ b/boxes/generators/two_piece.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python3
+# Copyright (C) 2013-2018 Florian Festi
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from boxes import *
+
+
+class TwoPiece(Boxes):
+    """A two piece box where top slips over the bottom half to form 
+       the enclosure.
+    """
+
+    ui_group = "Box"
+
+    def __init__(self):
+        Boxes.__init__(self)
+        self.buildArgParser("x", "y", "h", "outside")
+        self.addSettingsArgs(edges.FingerJointSettings, finger=2.0, space=2.0)
+
+        self.argparser.add_argument(
+            "--play",  action="store", type=float, default=0.05,
+            help="play between the two parts as multipleof the wall thickness")
+
+    def render(self):
+        # adjust to the variables you want in the local scope
+        x, y, h = self.x, self.y, self.h
+        t = self.thickness
+        p = self.play * t
+
+        if self.outside:
+            x -= 4*t + 2*p
+            y -= 4*t + 2*p
+            h -= 2 * t
+
+        # Initialize canvas
+        self.open()
+
+        # Adjust h edge with play
+        self.edges["f"].settings.setValues(t, False, edge_width=self.edges["f"].settings.edge_width + p)
+
+        for i in range(2):
+            d = i * 2 * (t+p)
+            self.ctx.save()
+            self.rectangularWall(x+d, h, "fFeF", bedBolts=None, move="right")
+            self.rectangularWall(y+d, h, "ffef", bedBolts=None, move="right")
+            self.rectangularWall(x+d, h, "fFeF", bedBolts=None, move="right")
+            self.rectangularWall(y+d, h, "ffef", bedBolts=None, move="right")
+            self.ctx.restore()
+            self.rectangularWall(y, h, "ffef", bedBolts=None, move="up only")
+
+        self.rectangularWall(x, y, "hhhh", bedBolts=None, move="right")
+        self.rectangularWall(x+d, y+d, "FFFF", bedBolts=None, move="right")
+        
+        self.close()