Pretty fun map. Pars seems reasonable. Camera tends to get stuck in walls but comes free with wiggling.
Hole 3 - Got stuck bobbing up and down. Maybe a slanted ceiling to bounce off or another stream to push you out
Hole 6 - Landed on the end of the guide, make the ends pointed
Hole 18 - Guessing it's unfinished but found the wide empty space confusing

Favourite hole was 13. You build up the gimmick beautifully.
Well done. Keep up the good work!