A visually striking impossible pass-through illusion featuring a ball trapped inside a vortex-like spiral. The geometry creates the illusion that the ball should not be able to pass through the structure—yet it does—resulting in a mesmerizing, mind-bending effect from every angle.

Designed as a display piece and conversation starter, this model plays with perception, depth, and motion. It prints cleanly with no supports and looks especially impressive in silk, gradient, or dual-color filaments.

Perfect for desks, shelves, or anyone who enjoys impossible objects, optical illusions, and viral-style prints.

Recommended materials: PLA or Silk PLA

Difficulty: Easy

Supports: Not required

Great for: Desk décor, optical illusions, gifts, viral prints