Staking attachment for supporting tree trunks 5-15cm (2-6") in diameter

A single tree trunk holder to use in groups of three or four with 1" wooden stakes and with zip ties (5-10mm wide) to straighten or hold or straighten young trees.
To use, print three or four of these (toughness resin works best), insert them at the top of square profile, one inch wide wooden stakes of the desired length and join them with two or three long zip ties.