Rootmaker 18 Express Cell Holder

I grow lots of trees every year and use the Rootmaker brand of pots. I had a couple of extra trees this year and instead of putting them in a 18 cell tray which takes up lots of room I created this holder for a single cell.

I print almost exclusively in PETG now but I suppose PLA would probably work as well. 20% infill with no supports and .3 layer height. I designed the holder in two pieces to keep from having to add supports. The bottom piece slides onto the legs of the top. Be sure an