Furry masking is a pita

So, on my Journeyman w/bb ctrlr I’ve been doing some logo cutting and the masking is not cutting cleanly.
It has furry edges.
Normally I would be using a v-bit, but in this case I’m doing shallow cuts in painted mdf with Oramask 813/cricket masking. Both have the same result.
See pics, takes a fair bit of time to clean up the fuzz with an X-Acto knife.

Using fresh 1/16” down cut bit from Sienci Labs.10pk have 5 left.
Vectric pocket tool path, 1/64th depth.

The 1/16” down cut bit is using
Feed 55ipm, plunge 20ipm,
makita speed @#3.
I was wondering if I was running the bit too fast. I looked up the Sienci s&f data
Feed 33ipm plunge 16.9ipm makita #3.
So it was a bit fast, but not insane for
such a shallow cut.
Never had a problem like this before. With larger signs it has never been a problem, unless the v-bit was dull.
Any suggestions?
Or is it just the nature of the beast.

What is the wood and what masking are you using?
Pat

Info is all in the original post.
I just had much improved results by turning the speed up from 3 to 4.
The s&f are set to what Sienci classify as finishing settings for pocketing.
Sadly I did not take a pic.

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