Enclosed Z Chain Guide by ppak10 (#1045)

* Flush mount for hdmi and usb c (#1)

* Adds CAD and STL files for flush mount mod.

* Renames mod folder name.

* Updates dimensions of flush mount opening.

* Adds photos and updates `README.md`.

* Reduces `.stl` size, adds `0.4 mm` chamfer, and notes installation.

* Adds image for BATIGE Mount.

* Removes possibly copyright image and updates `metadata.yml`.

* Updates `README.md` to no longer use `html`.

* Adds `All_Sizes_2` in `README.md`.

* Corrects `./Images/250_300_350_Render.png`.

* Adds CAD, STL, and Images.

* Adds images and description to files.

* Updates `.metadata.yml` with correct `.STL` file links and fixes stls.

printer_mods/ppak10/Enclosed_Z_Chain_Guide/.metadata.yml

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+---
+# The title of your mod. Choose a short and descriptive name
+title: Enclosed Z-Chain Guide 
+# A short description of your mod. Try to describe your mod with 1-2 short sentences
+description: Supports Z-Chain from both sides and keeps it from sliding around, especially for taller builds.
+# Mod version: Set this to 1 when you are submitting a new mod. When you make changes to your mod, you may increment this number
+mod_version: 1
+# You may add your discord username here so people can contact you about your mod
+discord_username: ppak10
+# The CAD files for your mod. Please provide them as a list.
+# Note that each mod must include at least one CAD file.
+cad:
+- CAD/Enclosed_Z_Chain_Guide_With_Logo.STEP
+- CAD/Enclosed_Z_Chain_Guide.STEP
+- CAD/Enclosed_Z_Chain_Guide.SLDPRT
+# The image files provided with your mod. These may be instructions you use in your README.md file, or other additional pictures.
+# **Note that the first image specified here will be used as cover image on mods.vorondesign.com**
+# All paths are relative to this .metadata.yml file.
+images:
+- Images/clearance.jpg
+- Images/closeup.jpg
+- Images/demo.gif
+- Images/render.png
+# List all STL files
+stl:
+- STL/Enclosed_Z_Chain_Guide_With_Logo.STL
+- STL/Enclosed_Z_Chain_Guide.STL
+# Printer compatibility. Please specify all compatible printers as a list. The following values are accepted:
+# "V0", "V0.1", "V0.2", "V0.2r1", "V1", "V1.6", "V1.8", "V1.8r1",  "V2", "V2.1", "V2.2", "V2.4", "V2.4r1", "V2.4r2", "VSW", "VT", "VTr1", "VL"
+# Please only specify printers that you have either tested your mod on yourself, or that someone else has tested for you. If you are unsure whether your
+# mod is compatible with a certain printer, don't list it here!
+printer_compatibility:
+- V2.4r2

printer_mods/ppak10/Enclosed_Z_Chain_Guide/README.md

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+# Enclosed Z-Chain Guide
+
+Supports Z-Chain from both sides and keeps it from sliding around, especially for taller builds.
+
+![CAD](./Images/render.png)
+![demo](./Images/demo.gif)
+
+## Installation
+- Requires:
+  - M5 x 10mm BHCS (Count 2)
+  - M5 x T-Nut (Count 2)
+
+- Clearance:
+  - Clears conventional toolhead installations.
+
+![closeup](./Images/closeup.jpg)
+![clearance](./Images/clearance.jpg)
+
+
+## Printing
+
+Use standard voron print settings. 4 walls, 5 top & bottom laters, 40% infill.
+