Set up for .57 inch material. (Cedar fence pickets)
Used 2 6-inch wide by 8-feet long cedar fence pickets.
Cut into four 20-inch pieces.
Joint edges on table saw or hand plane. Or simply glue together roughly.
After glue dries clamp or tape down panel in Xcarve and run each of three files.
If material is too thick cut off remaining to coping saw, band saw or other means and sand flat edges.
Paint or finish as desired.