Which 3d printing calibration do you like the best and why?

Which ones are your favourite and why?

Extruder E-Stop check and calibration. So easy to do, and fixes under/over extrusion problems you may not even know you had.

I’ve never had a printer come perfectly calibrated.

I use the Chep cube it is quick and easy it says a lot for size and extrusion cleanliness.

I like the clearance castle by makers Muse, it does more in depth and it has fun moving bits. Torture toaster similarly they take time to print.

Sunshines engine benchmark ‘Bengine’ it is hard to get right. it is a true bench mark no supports no brim or raft. It really tests adhesion, and tolerances. it is fun fidget thing when done too.