Twisty Fidget Rectangle - Impossible Passthrough

Impossible Passthrough Rectangle

Description
This Impossible Passthrough Rectangle is a minimalist optical sculpture designed to print cleanly and reliably with no supports required. Its geometry creates an intriguing visual effect — a rectangle that appears to contain an impossible passthrough channel.

Features:

• Simple yet striking impossible geometry
• Works with single color or multiple colors printing
• No supports needed
• Designed for clean slicing and reliable printing

Printing:

• Can be printed in a single color or with multi-color setups for heightened visual effect
• Let the build plate cool before removing for best results

Dimensions:
30x30x90mm

Enjoy the print — share your makes and feedback!

Also check out the cube version:
If you like this rectangular Impossible Passthrough, you may also enjoy the cube variant with the same optical effect but in a perfect cube form. Try printing both versions to compare how the illusion changes with shape.

Cube version here: https://makerworld.com/en/models/2314351-twisty-fidget-cube