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GIF

  • fidget

  • vortex

  • passthrough

  • impossible passthrough

  • vortex passthrough

  • fidget passthrough

  • triangle passthrough

  • impossible object

  • twisty puzzle

  • passthrough set

  • fidget toy

  • mechanical model

  • optical illusion

  • vortex series

  • best series

  • triangle fidget

  • impossible vortex

  • stress relief

  • PLA

  • print in place

The BEST Triangle Passthrough
Print Profile(1)
  • The BEST Triangle Passthrough Profile

    2-disc

    PLA

    Designer

    5(1)

3

4

70

21

Released 2025-08-15
Details
Files(1)
Makes & Comments (0)

About this model

I made this triangle passthrough as part of the V1.1 Passthrough Set, with a clean structural design that prints smoothly and works reliably. Both parts come in the single file, and it pairs with my Cube Passthrough as long as both are printed at the same scale for proper alignment.

The best part is how satisfying the triangle shape is in the hand. It twists through itself in a way that still feels impossible the tenth time you do it.

Print settings

  • Infill: 0-10%
  • Filament: PLA
  • Supports: none
  • Brim: none

Tips

  • Fit: If XY Size Compensation is not adjusted, the parts may fuse together or be difficult to separate, so I set it before printing and reprint the inner piece with the adjustments applied if it does not fit.
  • Inner piece XY Size Compensation: For the inner piece, I set XY Size Compensation to -0.35. That replaces the older inner value on this model's page, and I left the general tolerance setting of -0.4 unchanged, since only the inner value changes.

My Patreon page is still available at patreon.com/MasterPrinter, but I do not actively update it anymore.

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Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Standard Digital File License

This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.

Models(1)

  • model file image
    Triangle+Passthrough+Both+Parts.3mfDesigner

    4.75 MB

    2025-08-13