Dr. Digi-Dent, Now, that you've had a chance to print for a while, have you noticed any issues with x axis bed-roll/wobble/tilt? With the new z axis shaft design, it looks like it's now perfectly oriented to add in a third belt/pulley/linear rail/mount point. (Not to mention the further reduction of stretch under load...) On a side note, Maybe it's time to rename the printer to:Ms. Kitty'by Dees - CoreXY Machines