Square tube heated until soft and then twisted 90°.
Will print without supports in any material.
CADLink: https://cad.onshape.com/documents/4117b8b169aa334d76341c82/w/b6e226ee917192ae024ce60a/e/d6dcf017cae2e91c6c12b3ac?renderMode=0&uiState=684e2bfedff4e7507cf5f4fb
The author marked this model as their own original creation.