copy in default freecad toolbits

.FreeCAD/toolbits/Bit/45degree_chamfer.fctb

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+{
+  "version": 2,
+  "name": "45 Deg. Chamfer",
+  "shape": "chamfer.fcstd",
+  "parameter": {
+    "CuttingEdgeAngle": "45.0000 \u00b0",
+    "CuttingEdgeHeight": "6.3500 mm",
+    "Diameter": "12.3323 mm",
+    "Length": "30.0000 mm",
+    "ShankDiameter": "6.3500 mm",
+    "TipDiameter": "5.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/5mm-thread-cutter.fctb

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+{
+  "version": 2,
+  "name": "5mm-thread-cutter",
+  "shape": "thread-mill.fcstd",
+  "parameter": {
+    "Crest": "0.10 mm",
+    "Diameter": "5.00 mm",
+    "Length": "50.00 mm",
+    "NeckDiameter": "3.00 mm",
+    "NeckLength": "20.00 mm",
+    "ShankDiameter": "5.00 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/5mm_Drill.fctb

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+{
+  "version": 2,
+  "name": "5mm Drill",
+  "shape": "drill.fcstd",
+  "parameter": {
+    "Diameter": "5.0000 mm",
+    "Length": "50.0000 mm",
+    "TipAngle": "119.0000 \u00b0"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/5mm_Endmill.fctb

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+{
+  "version": 2,
+  "name": "5mm Endmill",
+  "shape": "endmill.fcstd",
+  "parameter": {
+    "CuttingEdgeHeight": "30.0000 mm",
+    "Diameter": "5.0000 mm",
+    "Length": "50.0000 mm",
+    "ShankDiameter": "3.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/60degree_Vbit.fctb

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+{
+  "version": 2,
+  "name": "60 Deg. V-Bit",
+  "shape": "v-bit.fcstd",
+  "parameter": {
+    "CuttingEdgeAngle": "60.0000 \u00b0",
+    "Diameter": "10.0000 mm",
+    "CuttingEdgeHeight": "1.0000 mm",
+    "TipDiameter": "1.0000 mm",
+    "Length": "20.0000 mm",
+    "ShankDiameter": "5.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/6mm_Ball_End.fctb

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+{
+  "version": 2,
+  "name": "6mm Ball End",
+  "shape": "ballend.fcstd",
+  "parameter": {
+    "CuttingEdgeHeight": "40.0000 mm",
+    "Diameter": "6.0000 mm",
+    "Length": "50.0000 mm",
+    "ShankDiameter": "3.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/6mm_Bullnose.fctb

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+{
+  "version": 2,
+  "name": "6 mm Bull Nose",
+  "shape": "bullnose.fcstd",
+  "parameter": {
+    "CuttingEdgeHeight": "40.0000 mm",
+    "Diameter": "6.0000 mm",
+    "FlatRadius": "1.5000 mm",
+    "Length": "50.0000 mm",
+    "ShankDiameter": "3.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/probe.fctb

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+{
+  "version": 2,
+  "name": "Probe",
+  "shape": "probe.fcstd",
+  "parameter": {
+    "Diameter": "6.0000 mm",
+    "Length": "50.0000 mm",
+    "ShaftDiameter": "4.0000 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Bit/slittingsaw.fctb

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+{
+  "version": 2,
+  "name": "Slitting Saw",
+  "shape": "slittingsaw.fcstd",
+  "parameter": {
+    "BladeThickness": "3.0000 mm",
+    "CapHeight": "3.0000 mm",
+    "CapDiameter": "8.0000 mm",
+    "Diameter": "76.2000 mm",
+    "Length": "50.0000 mm",
+    "ShankDiameter": "19.0500 mm"
+  },
+  "attribute": {}
+}

.FreeCAD/toolbits/Library/Default.fctl

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+{
+  "tools": [
+    {
+      "nr": 1,
+      "path": "5mm_Endmill.fctb"
+    },
+    {
+      "nr": 2,
+      "path": "5mm_Drill.fctb"
+    },
+    {
+      "nr": 3,
+      "path": "6mm_Ball_End.fctb"
+    },
+    {
+      "nr": 4,
+      "path": "6mm_Bullnose.fctb"
+    },
+    {
+      "nr": 5,
+      "path": "60degree_Vbit.fctb"
+    },
+    {
+      "nr": 6,
+      "path": "45degree_chamfer.fctb"
+    },
+    {
+      "nr": 7,
+      "path": "slittingsaw.fctb"
+    },
+    {
+      "nr": 8,
+      "path": "probe.fctb"
+    },
+    {
+      "nr": 9,
+      "path": "5mm-thread-cutter.fctb"
+    }
+  ],
+  "version": 1
+}

.FreeCAD/toolbits/README.md

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+# Tools
+
+Each tool is stored as a JSON file which has the shape's path and values for all attributes of the shape.
+It also includes all additional parameters and their values.
+
+Storing a tool as a JSON file sounds great but eliminates the option of an accurate thumbnail. On the other hand,
+storing each tool as a `*.fcstd` file requires more space and does not allow for generating tools. If one has an
+extensive tool aresenal they might want to script the generation of tools which is easily done for a `*.json` file but
+practically impossible for `*.fcstd` files.
+
+When a tool is instantiated in a job the PDN body is created from the shape and the attributes and constraints are set
+according to the values from the JSON file. All additional parameters are created as properties on the object. This
+provides the correct shape and dimensions which can be used to generate a point cloud or mesh for advanced
+algorithms (and potentially simulation).
+
+# Tool Libraries
+
+Due to each tool being stored in its own file and the storage/organization of those files being quite flexible the
+importance of a tool library for organisational purposes is quite diminished. The user is free to organise their tools
+in whichever directory hierarchy they see fit and can also name them as best fits their use and organisation. A
+_tool library_ is nevertheless a great representation for a physical grouping of tools, such as in an automatic tool
+changer.
+
+A tool library is a (JSON) file with a mapping of tool id to the path of the tool file. As a consequence each tool
+can be in multiple libraries and doesn't have an `id` of it's own. The `id` is a property of the library.
+
+If a tool from a tool library (or an entire tool library) is added to a job it retains its `id` from the library as a
+property. Adding a tool bit directly rsults in the tool getting the next free id assigned.
+
+# Tool Controllers
+
+They largely stay the same as they are today. As an additional feature it should be possible to _copy_ a TC, which
+allows for easy feed/speed changes for the same tool.
+
+Above requirement highlights one change though, that the `id` should be a property of the Bit, and not of the TC.
+There are two requirements that are currently mapped to a single `id`. There needs to be an identification of which
+TC is being used by a certain op, and which tool number to use for a `M6` command.
+
+# Paths and Extensibility
+
+The following directory structure is used for supplied (shipped with FreeCAD) tools:
+```
+  Tools
+    + Bit
+    + Library
+    + Shape
+```
+
+Strictly speaking a user is free to store their tools wherever they want and however they want. By default the file
+dialog will open the corresponding directory (depending on context), or whichever directory the user opened last.
+
+Above directory structure with the most common default tools shipped with FreeCAD should be installed analogous to
+TechDraw's templates.
+
+## How to create a new tool
+
+1. Set the tool's Label, this will show up in the object tree
+1. Select a tool shape from the existing shape files. If your tool doesn't exist, you'll have to create a new shape,
+   see below for details.
+1. Each tool bit shape has its own set of parameters, fill them with the tool's values.
+1. Select additional parameters
+1. Save the tool under path/file that makes sense to you
+
+
+## How to create a new tool bit Shape
+
+The shape file for a tool bit is expected to contain a PD body which represents the tool as a 3d solid. The PD body
+should be parametric based on a PropertyBag object so that, when the properties of the PropertyBag are changed the
+solid is updated to the correct representation.
+
+1. Create a new FreeCAD document
+1. Open the `PartDesign` workbench, create a body and give the body a label you want to show up in the bit selection.
+1. Open the Path workbench and (with the PD body selected) create a PropertyBag,
+   menu 'Path' -> 'Utils' -> 'Property Bag'
+   * this creates a PropertyBag object inside the Body (assuming it was selected)
+   * add properties to which define the tool bit's shape and put those into the group 'Shape'
+   * add any other properties to the bag which might be useful for the tool bit
+1. Construct the body of the tool bit and assign expressions referencing properties from the PropertyBag (in the
+   `Shape` Group) for all constraints.
+   * Position the tip of the tool bit on the origin (0,0)
+1. Save the document as a new file in the Shape directory
+   * Before saving the document make sure you have _Save Thumbnail_ selected, and _Add program logo_ deselected in
+     FreeCAD's preferences.
+   * Also make sure to switch to _Front View_ and _Fit content to screen_
+   * Whatever you see when saving the document will end up being the visual representation of tool bits with this shape
+
+Not that 'Shape' is the only property group which has special meaning for tool bits. All other property groups are
+copied verbatim to the ToolBit object when one is created.