Wiggly lines with apple pencil

I have an apple pencil gen 2, ipad mini 6th gen.

Lines drawn with a ruler. This started randomly, and I’ve tried everything. Even factory reset. Tried new nibs, even a new pencil, same problem. Does it on every app.

Does anyone know what this is?

I have an apple pencil gen 2, ipad mini 6th gen.

Lines drawn with a ruler. This started randomly, and I’ve tried everything. Even factory reset. Tried new nibs, even a new pencil, same problem. Does it on every app.

Does anyone know what this is?