{
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   "source": [
    "import cadquery as cq\n",
    "\n",
    "# 1.  Establishes a workplane that an object can be built on.\n",
    "# 1a. Uses the named plane orientation \"front\" to define the workplane, meaning\n",
    "#     that the positive Z direction is \"up\", and the negative Z direction\n",
    "#     is \"down\".\n",
    "# 2.  Creates a plain box to base future geometry on with the box() function.\n",
    "# 3.  Selects the top-most Z face of the box.\n",
    "# 4.  Creates a new workplane and then moves and rotates it with the\n",
    "#     transformed function.\n",
    "# 5.  Creates a for-construction rectangle that only exists to use for placing\n",
    "#     other geometry.\n",
    "# 6.  Selects the vertices of the for-construction rectangle.\n",
    "# 7.  Places holes at the center of each selected vertex.\n",
    "# 7a. Since the workplane is rotated, this results in angled holes in the face.\n",
    "result = cq.Workplane(\"front\").box(4.0, 4.0, 0.25).faces(\">Z\") \\\n",
    "                 .workplane() \\\n",
    "                 .transformed(offset=(0, -1.5, 1.0), rotate=(60, 0, 0)) \\\n",
    "                 .rect(1.5, 1.5, forConstruction=True).vertices().hole(0.25)\n",
    "\n",
    "# Displays the result of this script\n",
    "show_object(result)\n"
   ]
  }
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