While this is on my brain. I have an update for you for this if you want it.
Quality - Great
Material - Aluminum
Bit - Carbide Single Flute Long – V1 Engineering Inc
DOC - 7mm (that’s what I have tested to but I think it could easily go more)
Plunge Angle - 90°
Feed XY - 20mm/s
Feed Z - 4mm/s
Speed - ?? See Above??
Coolant - 25psi air with just a hint of IPA
Notes - Trochoidal Milling: Stepover 10% Width: 50% Oscillation: 0
https://youtu.be/wTbvzWy-f1o