Very fun print. The U-turn right before the spiral was rather problematic, but I got it to work 90% of the time. I also ended up leaving all the connecting lines within the bearings connected, as cutting them free made them tumble and jam. The biggest issue I had was with one of the long posts you insert into the stone tower. No amount of sanding or hammering could get it to fit in as far as it was intended to, so after breaking one I had to reprint the tower and use a shorter brown piece.

Pinfari13

Structales - Roadrunner4d

Water Mill Marble Run

V2 print profile with easier handling, tweaked tolerances

This model, along with all the original and other add-ons for it, are all fantastic!

Marek Adamczyk @ 3D

Tiny Ammo Crates for Jeep Kit Card with Trailer

0.2mm nozzle, 0.08mm layer, 4 walls, 15% infill

Kensay3D

Pokemon Keychain Pack

0.2mm layer, 3 walls, 15% infill

Had some issues with warping around the little square nubs that you're supposed to glue the end caps on, but otherwise it came out fine. Made it as a Christmas gift.

RileyDesigns

Time Turner - Movie Accurate Harry Potter Prop

Necklace movie prop with 2 loops