Base Clip needed for Print-in-place Iris Box when printing it large

Technically this is not a remix of the brilliant Print-in-place Iris Box by LoboCNC. Just a required minor addition for it when printing much larger than 100% size.

I originally printed LoboCNC's Iris box at the standard 100% size and found it to be too small to really use as a useful storage container and i also found he iris leaves and the outer sphere of the print were just too thin at the standard size, so i scaled it up. The Y Axis of my printer has a max size of 145mm so that was as lar