I have a TER that render's several sprite quads above it in an even column/row table, pointed at the player's camera. Depending if I'm facing the Tile Entity North or South the quads begin to "smoosh" together.
The TER:
https://gist.github.com/SwagDeNoli/902231141499f010326c83b4ebbe2075
A small clip of the problem:
https://streamable.com/z5r0cp