Arch Base for PEX. These are built for 1" pex. and they hold on a 45* angle versus straight up.
I originally got the design from @PapasLights but after printing it realized it was for a 3/4 sized pipe. So after resizing and adding more support, we'll see
Amazon Basics PETG
Haven't actually tested them in a real world situation. But hopefully next fall I'll be able to come back and update.
Holes in base are big enough for large spikes.