I once created these 5-point perspective grids to use as overlay guides. RGB colors indicate different axes. You can even use multiple grids in the same illustration if an object is rotated, and it'll work just fine. Feel free to use these if it helps!
@behemotthedog.bsky.socialaaaaaa, fish-eye perspective is so hard; i have no idea how some people draw everything perfectly without a thousand layers while drawing a piece with this kind of effect. my head hurts huhuh
