New generator: PirateChest

A chest with integrated hinge and angled lid

boxes/generators/piratechest.py

@@ -0,0 +1,134 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2016 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 PirateChest(Boxes):
+    """Box with polygon lid with chest hinges."""
+
+    description = """Do not assemble sides before attaching the lid! 
+    Hinge of the lid has to be placed first because it is impossible 
+    to get it in position without removing the side wall. The lid can 
+    be a bit tricky to assemble. Keep track of how the parts fit together. 
+    Part with label "lid back" is placed in the hinges"""
+
+    ui_group = "Box"
+
+    def __init__(self) -> None:
+        Boxes.__init__(self)
+        self.addSettingsArgs(edges.FingerJointSettings, finger=1.0,space=1.0)
+        self.addSettingsArgs(edges.HingeSettings)
+
+        self.buildArgParser("x", "y", "h", "outside")
+        self.argparser.add_argument(
+            "--n",  action="store", type=int, default=5,
+            help="number of sides on the lid. n ≥ 3")
+
+
+    def render(self):
+        # adjust to the variables you want in the local scope
+        x, y, h = self.x, self.y, self.h
+        if self.outside:
+            x = self.adjustSize(x)
+            y = self.adjustSize(y)
+            h = self.adjustSize(h, "f", False)
+        t = self.thickness
+        n = self.n
+
+        if (n < 3):
+            raise ValueError("number of sides on the lid must be greater or equal to 3 (got %i)" % n)
+        
+        hy = self.edges["O"].startwidth()
+        h -= hy
+        if (h < 0):
+            raise ValueError("box to low to allow for hinge (%i)" % h)
+
+        # create edge for non 90 degree joints in the lid
+        fingerJointSettings = copy.deepcopy(self.edges["f"].settings)
+        fingerJointSettings.setValues(self.thickness, angle=180./(n-1))
+        fingerJointSettings.edgeObjects(self, chars="gGH")
+
+        # render all parts
+        self.ctx.save()
+
+        self.rectangularWall(x, y, "FFFF", move="up", label="Bottom")
+        frontlid, toplids, backlid = self.topside(y, n = n, move="only", bottem='P')
+
+        self.rectangularWall(x, backlid, "qFgF", move="up", label="lid back")
+        for _ in range(n-2):
+            self.rectangularWall(x, toplids, "GFgF", move="up", label="lid top")
+        self.rectangularWall(x, frontlid, "GFeF", move="up", label="lid front")
+
+        self.ctx.restore()
+        self.rectangularWall(x, y, "FFFF", move="right only")
+
+        with self.saved_context():
+            self.rectangularWall(x, h, "fFQF", ignore_widths=[2, 5], move="right", label="front")
+            self.rectangularWall(y, h, "ffof", ignore_widths=[5], move="right", label="right")
+            self.rectangularWall(0, h, "eeep", move="right only")
+        self.rectangularWall(x, h, "fFoF", move="up only")
+        self.rectangularWall(x, 0, "Peee", move="up only")
+
+        e1 = edges.CompoundEdge(self, "Fe", (h, hy))
+        e2 = edges.CompoundEdge(self, "eF", (hy, h))
+        e_back = ("f", e1, "e", e2)
+
+        with self.saved_context():
+            self.rectangularWall(x, h+hy, e_back, move="right", label="back") # extend back to correct height
+            self.rectangularWall(0, h, "ePee", move="right only")
+            self.rectangularWall(y, h, "ffOf", ignore_widths=[2], move="right", label="left")
+        self.rectangularWall(x, h, "fFOF", move="up only")
+        self.rectangularWall(x, 0, "peee", move="up only")
+
+        self.topside(y, n = n, move="right", bottem='p', label="lid left")
+        self.topside(y, n = n, move="right", bottem='P', label="lid right")
+
+
+    def topside(self, y, n, bottem, move=None, label=""):
+        radius, hp, side  = self.regularPolygon((n - 1) * 2, h=y/2.0)
+
+        tx = y + 2 * self.edges.get('f').spacing()
+        lidheight = hp if n % 2 else radius
+        ty = lidheight + self.edges.get('f').spacing() + self.edges.get(bottem).spacing()
+        
+        if self.move(tx, ty, move, before=True):
+            return side/2 + self.edges.get(bottem).spacing(), side, side/2
+
+        self.moveTo(self.edges.get('f').margin(), self.edges.get(bottem).margin())
+
+        self.edges.get(bottem)(y)
+
+        self.corner(90)
+        if bottem == 'p':
+            self.edges.get('f')(side/2 + self.edges.get(bottem).spacing())
+        else:
+            self.edges.get('f')(side/2)
+        
+        self.corner(180 / (n - 1))
+        for _ in range(n-2):
+            self.edges.get('f')(side)
+            self.corner(180 / (n - 1))
+
+        if bottem == 'P':
+            self.edges.get('f')(side/2 + self.edges.get(bottem).spacing())
+        else:
+            self.edges.get('f')(side/2)
+        
+        self.corner(90)
+
+        self.move(tx, ty, move, label=label)
+
+        return side/2 + self.edges.get(bottem).spacing(), side, side/2

static/samples/samples.sha256

@@ -139,3 +139,4 @@ e9ee43e336401d3a0cb8e141c3a0b87a84e90f99eed30bdd420dcaead92940e1  ../static/samp
 3070eb2ed89461497d4dcc67021a0619338ab6d4d4d89d3cd1f83160da3c7920  ../static/samples/FanHole.jpg
 c8adb0661956430ccec7fc00aa4b8e3c42d02083e17a9307541bc0160251cb96  ../static/samples/HolePattern.jpg
 7c399c1cd235c3c044f676a31aa5215109e815055f2f69aef5d0cb1a24dfae41  ../static/samples/Desksign.jpg
+fda14ba0920ef7ea0579117a30b5bb4a05ab3be4da3d87a4fc03fc40b085992b  ../static/samples/PirateChest.jpg