Aluminum - I think the stepdown is a bit much right?

[WillAdams (William Adams (Carbide 3D))]

Another thread here ( First aluminum fail, figuring out why - #10 by stutaylo ) pointed folks to:

Lets share some tool paths - 3d aluminium machining

Here’s my go (didn’t look at feeds and speeds as closely as I would if I was actually milling): https://a360.co/2Qy150B Here’s a tool diameter independent corner probe I was planning on making. (got the idea from @patofoto): https://a360.co/2O8Lo3k Once I get it made, I’ll hack out a CNCjs macro for using it.