Hey Auntjemimma,
your table top looks nice now. Will you flip it so screws heads are on underside?
I don’t know how even your workshop’s floor is but in most cases when using a table with feet directly connected to the table top, the table top will twist according to floor irregularities, and change if you move it around. The QCW frame itself is not really stiffy enough to prevent such twisting by itself, but with the leveling feet you can always make sure all feet of the Onefinity machine are coplanar before starting a program. See fishing line method for ensuring this.