New generator: SlatWallChiselHolder

boxes/generators/slotwallchiselholder.py

@@ -0,0 +1,134 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2019 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 FrontEdge(edges.Edge):
+
+    def __call__(self, length, **kw):
+        td = self.tooldiameter
+        rh = self.holediameter / 2.0
+        r = self.radius
+        sw = self.slot_width
+
+        a = math.degrees(math.asin((r+sw/2)/(r+rh)))
+        l = (td - sw - 2*r) / 2
+
+        for i in range(self.number):
+            self.polyline(l, (180-a, r), 0, (-360+2*a, rh), 0, (180-a, r), l)
+            
+        
+
+class SlatwallChiselHolder(Boxes):
+    """Slat wall tool holder for chisels, files and similar tools"""
+
+    ui_group = "SlatWall"
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=1.0)
+        self.addSettingsArgs(edges.SlatWallSettings)
+
+        self.buildArgParser(h=120)
+
+        self.argparser.add_argument(
+            "--tooldiameter",  action="store", type=float, default=30.,
+            help="diameter of the tool including space to grab")
+        self.argparser.add_argument(
+            "--holediameter",  action="store", type=float, default=30.,
+            help="diameter of the hole for the tool (handle should not fit through)")
+        self.argparser.add_argument(
+            "--slot_width",  action="store", type=float, default=5.,
+            help="width of slots")
+        #self.argparser.add_argument(
+        #    "--angle",  action="store", type=float, default=0.,
+        #    help="angle of the top - positive for leaning backwards")
+        self.argparser.add_argument(
+            "--radius",  action="store", type=float, default=5.,
+            help="radius at the slots")
+        self.argparser.add_argument(
+            "--number",  action="store", type=int, default=6,
+            help="number of tools/slots")
+        self.argparser.add_argument(
+            "--hooks",  action="store", type=str, default="all",
+            choices=("all", "odds", "everythird"),
+            help="amount of hooks / braces")
+
+    def brace(self, i):
+        n = self.number
+        if i in (0, n):
+            return True
+        # fold for symmetry
+        #if i > n//2:
+        #    i = n - i
+        if self.hooks == "all":
+            return True
+        elif self.hooks == "odds":
+            return not (i % 2)
+        elif self.hooks == "everythird":
+            return not (i % 3)
+
+    def braces(self):
+        return sum((self.brace(i) for i in range(self.number+1)))
+
+    def backCB(self):
+        n = self.number
+        rt = self.holediameter
+        wt = self.tooldiameter
+        t = self.thickness
+        
+        d = min(2*t, (wt-rt)/4.)
+        self.slatWallHolesAt(d, 0, self.h, 90)
+        self.slatWallHolesAt(n*wt-d, 0, self.h, 90)
+        
+        for i in range(1, n):
+            if self.brace(i):
+                self.slatWallHolesAt(i*wt, 0, self.h, 90)
+
+    def topCB(self):
+        n = self.number
+        rt = self.holediameter
+        wt = self.tooldiameter
+        t = self.thickness
+        l = self.depth
+        
+        d = min(2*t, (wt-rt)/4.)
+        self.fingerHolesAt(d, 0, l, 90)
+        self.fingerHolesAt(n*wt-d, 0, l, 90)
+        
+        for i in range(1, n):
+            if self.brace(i):
+                self.fingerHolesAt(i*wt, 0, l, 90)
+
+    def render(self):
+        # Add slat wall edges
+        s = edges.SlatWallSettings(self.thickness, True,
+                                   **self.edgesettings.get("SlatWall", {}))
+        s.edgeObjects(self)
+        self.slatWallHolesAt = edges.SlatWallHoles(self, s)
+
+
+        t = self.thickness
+        wt = self.tooldiameter
+        n = self.number
+
+        self.depth = depth = wt + 4*t
+
+        self.rectangularWall(n*wt, self.h, "eeee", callback=[self.backCB], move="up")
+        self.rectangularWall(n*wt, depth, [FrontEdge(self, None), "e","e","e"], callback=[self.topCB], move="up")
+        self.moveTo(0, t)
+        self.rectangularTriangle(depth, self.h, "fbe", r=3*t, num=self.braces())