Engrave on a MDF with 3mm thick for a friend's present.
I used an art for testing my M1 machine. The following parameters were used: Power: 100%, Speed: 80mm/s, Pass:1 , Bitmap mode: Jarvis, Lines per cm: 100, Engraving mode: bi-directional on a MDF with 3mm.
It took 7 minutes to be done.