https://www.thingiverse.com/thing:5139728
Feel free to print it for yourself. The level that I used is in the thingiverse details. You can print it at 6.5, 6.8, 7.0 and 7.2 degrees depending on your preference.
The mustache looking thing is a bar that you use to ensure the disc is not rotated.
PXL_20211117_162937871 (resized).jpg
PXL_20211117_192857411 (resized).jpg