diff --git a/boxes/generators/compartmentbox.py b/boxes/generators/compartmentbox.py
new file mode 100644
index 0000000..c2672a7
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+++ b/boxes/generators/compartmentbox.py
@@ -0,0 +1,288 @@
+#!/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 *
+
+class CompartmentBox(Boxes):
+    """Type tray variation with sliding lid"""
+
+    description = """Sliding lid rests on inner walls, 
+    so will not work if no inner walls are present. 
+    Suggested to place walls close to both sides for maximum stability."""
+
+    ui_group = "Unstable"
+
+    def __init__(self) -> None:
+        Boxes.__init__(self)
+        self.buildArgParser("sx", "sy", "h", "outside", "bottom_edge")
+        self.argparser.add_argument(
+            "--handle", action="store", type=str, default="lip",
+            choices={"none","lip","hole"},
+            help="how to grab the lid to remove")
+        self.argparser.add_argument(
+            "--radius", action="store", type=float, default=10,
+            dest="radius", help="radius of the grip hole in mm")
+        self.argparser.add_argument(
+            "--holes", action="store", type=str,
+            default="70",
+            help="width of hole(s) in percentage of maximum hole width")
+
+        
+        
+
+    def xSlots(self):
+        posx = -0.5 * self.thickness
+        for x in self.sx[:-1]:
+            posx += x + self.thickness
+            posy = 0
+            for y in self.sy:
+                self.fingerHolesAt(posx, posy, y)
+                posy += y + self.thickness
+
+    def ySlots(self):
+        posy = -0.5 * self.thickness
+        for y in self.sy[:-1]:
+            posy += y + self.thickness
+            posx = 0
+            for x in reversed(self.sx):
+                self.fingerHolesAt(posy, posx, x)
+                posx += x + self.thickness
+
+    def xHoles(self):
+        posx = -0.5 * self.thickness
+        for x in self.sx[:-1]:
+            posx += x + self.thickness
+            self.fingerHolesAt(posx, 0, self.h)
+
+    def yHoles(self):
+        posy = -0.5 * self.thickness
+        for y in self.sy[:-1]:
+            posy += y + self.thickness
+            self.fingerHolesAt(posy, 0, self.h)
+
+    def render(self):
+        t = self.thickness
+        if self.outside:
+            self.sx = self.adjustSize(self.sx)
+            self.sy = self.adjustSize(self.sy)
+            self.h = self.adjustSize(self.h) - 2 * t
+
+
+        x = sum(self.sx) + self.thickness * (len(self.sx) - 1)
+        y = sum(self.sy) + self.thickness * (len(self.sy) - 1)
+        h = self.h
+
+
+        # Create new Edges here if needed E.g.:
+        s = edges.FingerJointSettings(self.thickness, relative=False,
+                                      style = "rectangular")
+        p = edges.FingerJointEdge(self, s)
+        p.char = "a" # 'a', 'A', 'b' and 'B' is reserved for beeing used within generators
+        self.addPart(p)
+
+        # outer walls
+        b = self.bottom_edge
+        tl, tb, tr, tf = "FEFe"
+        tl, tb, tr, tf = "ŠSŠe" if b == "s" else "FEFe"
+
+
+        # x sides
+
+        self.ctx.save()
+
+        # outer walls - front/back
+        hb = h+t * (3 if tb == "S" else 1)
+        self.rectangularWall(x, hb, [b, "F", tb, "F"],
+                                callback=[self.xHoles],
+                                ignore_widths=[1,2,5,6],
+                                move="up", label="back")
+
+        self.rectangularWall(x, h, [b, "F", tf, "F"],
+                                callback=[self.mirrorX(self.xHoles, x)],
+                                ignore_widths=[1,6],
+                                move="up", label="front")
+
+        # floor
+        if b != "e":
+            self.rectangularWall(x, y, "ffff", callback=[self.xSlots, self.ySlots], move="up", label="bottom")
+
+        # Inner walls
+
+        be = "f" if b != "e" else "e"
+
+        for i in range(len(self.sy) - 1):
+            e = [edges.SlottedEdge(self, self.sx, be), "f",
+                 edges.SlottedEdge(self, self.sx[::-1], "e", slots=0.5 * h), "f"]
+            self.rectangularWall(x, h, e, move="up", label=f"inner x {i+1}")
+
+        # top / lid
+        handle = self.handle
+        if handle == "lip":
+            self.rectangularWall(x, y, "feee", move="up", label="lid")
+            self.rectangularWall(x, t * (2 if b == "s" else 1), "fe" + ("S" if b == "s" else "e") + "e", move="up", label="lid lip")
+        if handle == "hole":
+            self.rectangularWall(x, y + t, move="up", label="lid", callback=[self.gripHole])
+        if handle == "none":
+            self.rectangularWall(x, y + t, move="up", label="lid")
+
+
+
+        self.ctx.restore()
+        self.rectangularWall(x, h, "ffff", move="right only")
+
+        # y walls
+
+        # outer walls - left/right
+        self.sideWall(
+            y, h+t, "left", [b, "f", tl, "f"], callback=[self.yHoles, ],
+            move="up", label="left side")
+            
+        self.sideWall(
+            y, h+t, "right", [b, "f", tr, "f"],
+            callback=[self.mirrorX(self.yHoles, y), ],
+            move="up", label="right side")
+
+        # inner walls
+        for i in range(len(self.sx) - 1):
+            e = [edges.SlottedEdge(self, self.sy, be, slots=0.5 * h),
+                 "f", "e", "f"]
+            self.rectangularWall(y, h, e, move="up", label=f"inner y {i+1}")
+
+        lipy = y-t if self.handle == "lip" else y
+        self.rectangularWall(lipy, t, "eefe", move="up", label="Lip Left")
+        self.rectangularWall(lipy, t, "feee", move="up", label="Lip Right")
+
+    def sideWall(self, x, y, side, edges="eeee",
+                        holesMargin=None, holesSettings=None,
+                        bedBolts=None, bedBoltSettings=None,
+                        callback=None,
+                        move=None,
+                        label=""):
+
+        if len(edges) != 4:
+            raise ValueError("four edges required")
+        if side not in {"left", "right"}:
+            raise ValueError("side must be left or right")
+        b = edges[0]
+        edges = [self.edges.get(e, e) for e in edges]
+        edges += edges  # append for wrapping around
+        overallwidth = x + edges[-1].spacing() + edges[1].spacing()
+        overallheight = y + edges[0].spacing() + edges[2].spacing()
+        t = self.thickness
+
+        if self.move(overallwidth, overallheight, move, before=True):
+            return
+
+        self.moveTo(edges[-1].spacing(), edges[0].margin())
+
+        for i, l in enumerate((x, y, x, y)):
+            self.cc(callback, i, y=edges[i].startwidth() + self.burn)
+            e1, e2 = edges[i], edges[i + 1]
+
+            if i == 3 and side == "right":
+                l -= t
+                self.edges.get('e')(t)
+                l += edges[i+1].startwidth()
+                e2 = self.edges["e"]
+                edges[i](l,
+                     bedBolts=self.getEntry(bedBolts, i),
+                     bedBoltSettings=self.getEntry(bedBoltSettings, i))
+            elif i == 1 and side == "left":
+                l -= t
+                l += edges[i-1].startwidth()
+                edges[i](l,
+                     bedBolts=self.getEntry(bedBolts, i),
+                     bedBoltSettings=self.getEntry(bedBoltSettings, i))
+                self.edges.get('e')(t)
+            else:
+                if i == 3 and side == "left":
+                    l += edges[i+1].startwidth() + edges[i-1].startwidth()
+                    e2 = self.edges["e"]
+                if i == 1 and side == "right":
+                    l += edges[i+1].startwidth() + edges[i-1].startwidth()
+                    e2 = self.edges["e"]
+
+                if i == 2 and self.handle == "lip":
+                    if b != "s":
+                        l -= t
+                        print(b)
+                        if side == "left":
+                            self.edges.get('e')(t)
+                            edges[i](l,
+                                bedBolts=self.getEntry(bedBolts, i),
+                                bedBoltSettings=self.getEntry(bedBoltSettings, i))
+                        elif side == "right":
+                            edges[i](l,
+                                bedBolts=self.getEntry(bedBolts, i),
+                                bedBoltSettings=self.getEntry(bedBoltSettings, i))
+                            self.edges.get('e')(t)
+                    else:
+                        self.edges.get('S')(l)
+                        self.fingerHolesAt(0 if side == "left" else -t, 1.5*t, l-t, angle=180)
+                else:
+                    edges[i](l,
+                        bedBolts=self.getEntry(bedBolts, i),
+                        bedBoltSettings=self.getEntry(bedBoltSettings, i))
+
+                if i == 2 and side == "left":
+                    e1 = self.edges["e"]
+                if i == 0 and side == "right":
+                    e1 = self.edges["e"]
+                if i == 0 and side == "left":
+                    e1 = self.edges["e"]
+
+            
+            self.edgeCorner(e1, e2, 90)
+
+        if holesMargin is not None:
+            self.moveTo(holesMargin,
+                        holesMargin + edges[0].startwidth())
+            self.hexHolesRectangle(x - 2 * holesMargin, y - 2 * holesMargin, settings=holesSettings)
+
+        self.move(overallwidth, overallheight, move, label=label)
+
+    def gripHole(self):
+        if not self.radius:
+            return
+        radius = self.radius
+        t = self.thickness
+        widths = argparseSections(self.holes)
+
+        x = sum(self.sx) + self.thickness * (len(self.sx) - 1)
+
+        if sum(widths) > 0:
+            if sum(widths) < 100:
+                slot_offset = ((1 - sum(widths) / 100) * (x - (len(widths) + 1) * self.thickness)) / (len(widths) * 2)
+            else:
+                slot_offset = 0
+
+            slot_height = 2* radius # (self.settings.height - 2 * self.thickness) * self.settings.hole_height / 100
+            slot_x = self.thickness + slot_offset
+
+            for w in widths:
+                if sum(widths) > 100:
+                    slotwidth = w / sum(widths) * (x - (len(widths) + 1) * self.thickness)
+                else:
+                    slotwidth = w / 100 * (x - (len(widths) + 1) * self.thickness)
+                slot_x += slotwidth / 2
+
+                with self.saved_context():
+                    #self.moveTo(20, slot_x, 0)
+                    self.rectangularHole(slot_x,radius+t,slotwidth,slot_height,radius,True,True)
+                slot_x += slotwidth / 2 + slot_offset + self.thickness + slot_offset
+
+
+#todo stackable top/bottom
\ No newline at end of file