Impossible Slide Illusion

Impossible Slide IllusionA cool perspective illusion where a ball will roll the up the slide. Features:A very quick and easy print.Only uses 30g of filament.Interesting conversation piece.Ball included. Usage:The illusion only works from 1 specific angle.It works best through the perspective of a camera or when closing one eye.Place the slide in the correct position and drop a ball at any point of the slide.The ball wil appear to roll up the slide!Extra Info:The included print profile is set to