Yeah the idea to 3d print solar panel mounts with printed threads is probly a bad idea.

USBC PD could work for my old monoprice select mini v1 https://youtu.be/VehfqrkoXJA

What about using a 12v barrel jack with a 12v to 24v step up converter. If I remember properly, I think the ender3 v2 requires 24v to the main board. I might be wrong, it could be 12v.

Dam, I still got one of them.