One of my favorite buttons on the HZL-F600 is #2. A simple touch of the button and your needle automatically moves to the right to create a 1/4 inch seam. Yes, you can also enjoy this feature on the HZL-F400.
There is no need to change the foot, and you are using the box feed system to its fullest. Sew Corner to corner with no issues or piece those blocks. Press your foot on the heel of the foot control to cut the threads and continue to sew your next piece.
What are you going to piece this week?