diff --git a/printer_mods/README.md b/printer_mods/README.md
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--- a/printer_mods/README.md
+++ b/printer_mods/README.md
@@ -224,7 +224,8 @@ like so:
 | revnull | [Raspberry Pi 7inch Display Mount](./revnull/rpi_7in_display_mount) | An articulating mount for the offical Raspberry Pi 7inch touch screen | :grey_question: | :grey_question: | :heavy_check_mark: | :grey_question: |
 |Rhastlyn |[Wansview 1080p Camera Mount](./Rhastlyn/WansviewCameraMount) |A camera mount that replaces the OEM part to allow the camera to be mounted to a 2020 extrusion | :x: |:grey_question: |:heavy_check_mark: |:x:|
 | |[60mm Fan Cover](./Rhastlyn/60mmFanCover)|A easy to install cover for spec 60mm fans originally designed for a 2.4 build| :x: |:grey_question: |:heavy_check_mark: |:x:|
-| richardjm | [Picam corner mount](./richardjm/picam-corner) | Out of the way corner mounted picam | :x: | :x: | :heavy_check_mark: | :x: | :grey_question: |
+| richardjm | [LED 15.5mm quarter round mounts](./richardjm/led-mounts) | Mounting corners with integrated cable runs for 15.5mm quarter round aluminium led extrusions. | :x: | :x: | :heavy_check_mark: | :x: | :grey_question: |
+| | [Picam corner mount](./richardjm/picam-corner) | Out of the way corner mounted picam | :x: | :x: | :heavy_check_mark: | :x: | :grey_question: |
 | roboticator24 | [Touchscreen for OctoDash](./roboticator24/4inch_touchscreen_mount_for_v2.4) | Mount a 4-inch LCD touchscreen to your V2.4 in place of the usual 12864 panel to allow you to run the amazing OctoDash touch UI | :x: | :x: | :heavy_check_mark: |:x:|
 | rngSplat | [Printable Switchwire Deck Plate](./rngSplat/SW_Deck_Plate) | Print a deck plate for Switchwire with debossed Voron logo | :x: | :x: | :x: | :heavy_check_mark: |
 | rsheng118 | [BTT octopus DIN vertical mount](./rsheng118/BTT_octopus_DIN_vertical_mount) | DIN vertical mount for Big Tech Tree Octopus board | :x: | :x: | :heavy_check_mark: | :x: |
diff --git a/printer_mods/richardjm/led-mounts/CAD/LedCorner15.5v13.f3d b/printer_mods/richardjm/led-mounts/CAD/LedCorner15.5v13.f3d
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diff --git a/printer_mods/richardjm/led-mounts/README.md b/printer_mods/richardjm/led-mounts/README.md
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+# Quarter round led mount with integrated cable run
+
+An integrated led mount that sneaks the cables behind the z idlers.
+This part is all you need to hold the led string in place and hide away those
+cables.
+
+![White](Images/White.jpg)
+
+## Hardware
+
+- A single m3x25 bolt, m3 washer and t-nut
+- JST-XH 3 way connectors and short cable runs from end to end (whatever connectors suits your LED strips best)
+- LED strip - I used neopixels but you can use whatever
+- 15.5mm quarter round LED extrusion with diffiser
+- VHB tape if necessary
+
+## Mounting
+
+To get the data and power I ran a cable up from the electronics bay in the rear extrusion.
+To hold the cable in place up the extrusion I used kapton tape as I thought using cable
+clips could interfere with the gantry motion.
+
+Fit LED strips into extrusion with VHB tape if required, having a short length of cable on
+one end sufficient to reach through the corner mount to the next led strip in the chain, the
+input end can be a JST-XH connector soldered directly to the strip I found. Do what works
+for your LED string.
+
+![Extrusions](Images/Extrusions.jpg)
+
+Start at one corner putting the connector from the electronics bay where it's needed and
+fasten a corner or end into the extrusion using the m3x25, t-nut and washer.
+
+Put the other corner up and run the cable through, putting the bolt in after making sure
+not to crush it.
+
+Attach to the next strip and put the strip in the corner mount _before_ fitting the second
+bolt. This allows the cable more space to fold into the mount. Fit the bolt while holding
+the extrusion up and continue around the printer fitting as many corners or ends as you need. 
+
+![Closeup](Images/Closeup.jpg)
+
+![Colourful](Images/Colourful.jpg)
diff --git a/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-Corner.stl b/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-Corner.stl
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diff --git a/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-EndL.stl b/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-EndL.stl
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diff --git a/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-EndR.stl b/printer_mods/richardjm/led-mounts/STL/LEDCorner15.5-EndR.stl
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