diff --git a/boxes/generators/ubox.py b/boxes/generators/ubox.py
new file mode 100644
index 0000000..28dc00e
--- /dev/null
+++ b/boxes/generators/ubox.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2014 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 *
+from boxes.generators.box2 import TopEdge, ChestLid
+from boxes.edges import Bolts
+import inspect
+import math
+
+class UBox(TopEdge, ChestLid):
+    """Box various options for different stypes and lids"""
+
+    def __init__(self):
+        Boxes.__init__(self)
+        self.addTopEdgeSettings()
+        self.addSettingsArgs(edges.FlexSettings)
+        self.buildArgParser("top_edge", "x", "y", "h")
+        self.argparser.add_argument(
+            "--radius",  action="store", type=float, default=30.0,
+            help="radius of bottom corners")
+        self.argparser.add_argument(
+            "--lid",  action="store", type=str, default="default (none)",
+            choices=("default (none)", "chest", "flat"),
+            help="additional lid")
+        self.angle = 0
+
+    def U(self, x, y, r, edge="e", move=None):
+
+        e = self.edges.get(edge, edge)
+
+        w = self.edges["f"].spacing()
+        tw = x+2*w
+        th = y+w+e.spacing()
+        if self.move(tw, th, move, True):
+            return
+
+        self.moveTo(w+r, w)
+        self.edges["f"](x-2*r)
+        self.corner(90, r)
+        self.edges["f"](y-r)
+        self.edgeCorner("f", e)
+        e(x)
+        self.edgeCorner(e, "f")
+        self.edges["f"](y-r)
+        self.corner(90, r)
+
+        self.move(tw, th, move)
+
+    def Uwall(self, x, y, h, r, edges="ee", move=None):
+
+        e = [self.edges.get(edge, edge) for edge in edges]
+
+        w = self.edges["F"].spacing()
+        cl = r*math.pi/2
+
+        tw = 2*y + x - 4*(cl-r) + e[0].spacing() + e[1].spacing()
+        th = h + 2*w
+        if self.move(tw, th, move, True):
+            return
+
+        self.moveTo(e[0].spacing())
+
+        for nr, flex in enumerate("XE"):
+            self.edges["F"](y-r)
+            self.edges[flex](cl, h=th)
+            self.edges["F"](x-2*r)
+            self.edges[flex](cl, h=th)
+            self.edges["F"](y-r)
+            self.edgeCorner("F", e[nr])
+            e[nr](h)
+            self.edgeCorner(e[nr], "F")
+        
+        self.move(tw, th, move)
+
+    def render(self):
+        x, y, h, r = self.x, self.y, self.h, self.radius
+
+        self.open()
+
+        t1, t2, t3, t4 = self.topEdges(self.top_edge)
+
+        self.U(x, y, r, t1, move="right")
+        self.U(x, y, r, t3, move="up")
+        self.U(x, y, r, t3, move="left only")
+        self.Uwall(x, y, h, r, [t2, t4], move="up")
+
+        self.drawLid(x, y, self.top_edge)
+        self.drawAddOnLid(x, y, self.lid)
+
+        self.close()
+
+def main():
+    b = UBox()
+    b.parseArgs()
+    b.render()
+
+if __name__ == '__main__':
+    main()