Kirigami Stealth Bumper by MapleLeafMakers (#1028)

* Add Kirigami Stealth Bumper

* fix typo in .metadata.yml

* add 0.4mm bottom chamfer to some carriers

printer_mods/MapleLeafMakers/Kirigami_Stealth_Bumper/.metadata.yml

@@ -0,0 +1,12 @@
+---
+title: Kirigami Stealth Bumper
+description: an RGB-Powered front-bed mount for the Voron V0 with Kirigami Bed Frame
+mod_version: 1
+discord_username: mapleleafmakers
+cad:
+- CAD/stealth_bumper.step
+images:
+- Images/photo.jpg
+- Images/render.png
+printer_compatibility:
+- V0

printer_mods/MapleLeafMakers/Kirigami_Stealth_Bumper/README.md

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+# V0 Stealth Bumper
+
+A low-poly front bumper for your Voron 3D Printer 
+
+Compatible with:
+ - [V0 Kirigami Bed](https://github.com/christophmuellerorg/voron_0_kirigami_bed).
+
+Supports the [Rainbow Barf Logo LED](https://github.com/tanaes/whopping_Voron_mods/tree/main/LEDs/Rainbow_Barf_Logo_LED) or a [Neopixel Mini Button](https://www.adafruit.com/product/4776).
+
+
+![Render](Images/render.png)
+
+# BOM
+
+|Item                           | Qty. |
+|-------------------------------|-----:|
+| M3x5x4 Heatset Insert         |    2 |
+| M3 Hex Nut                    |    2 |
+| M3x6 BHCS                     |    4 |
+| Neopixel Mini Button          |    1 |
+| Rainbow Barf Logo LED         |    1 |
+
+ 
+**Note:** Only one LED Option is required.  Either the Neopixel Mini Button, *or* the Rainbow Barf Logo LED
+
+
+# Printing
+
+ - Use standard Voron print settings for all parts.
+ - use a clear filament for parts with the `[c]` prefix.
+ - print `[a]_main_body.stl`
+ - for Rainbow Barf, print `[c]_rainbow_barf_diffuser.stl` and `rainbow_barf_carrier.stl`
+ - for Neopixel Mini Button print `[c]_neopixel_button_diffuser.stl` and `neopixel_button_carrier.stl`
+
+
+# Assembly
+
+- Remove the 2 supports inside the hexagonal hole of `main_body`
+- Install 2 heatset inserts into the back of `main_body`
+- Press the clear diffuser into `logo_insert`
+- Press `logo_insert` into `main_body`
+- Press LED (Rainbow Barf, or Neopixel Mini Button) into the appropriate carrier.  Solder wires either before, or after if necessary. (you may not be able to fit a jst connector through the carrier)
+- Fit the carrier to the back of `main_body` and fasten with 2 M3x6 BHCS
+- Attach `main_body` to the front of the kirigami bed frame, using 2 M3 hex nuts and 2 M3x6 BHCS
+
+
+# Credits
+
+- Cameron at LDO Motors for the initial work on fitting a StealthBurner diffuser in the design
+- WhoppingPochard and VinnyCordeiro for the Rainbow Barf Logo LED
+