Tasha Yar spilled the beans in ten forward before her untimely demise, apparently.

Saw the pics and it honestly looks like over extrusion, especially that top surface

You basically have to retune your profiles to match between the petg and the larger nozzle.

Recommend following this as well as you can: https://ellis3dp.com/Print-Tuning-Guide/

Oh yeah, and you’re going to lose detail with the larger nozzle compared to a 0.4 but it’s a trade-off

During the Klingon civil war, he was temporarily made Captain of the USS Sutherland

This is also where Data shows serious BDE to his racist(?) first officer.