Perimetrator 3D printable model by Bisteck
Perimetrator photo 1 Perimetrator photo 2 Perimetrator photo 3 Perimetrator photo 4 Perimetrator photo 5 Perimetrator photo 6

Perimetrator

Source: Thingiverse by Bisteck

The Perimetrator is a free printable 3D model from Thingiverse by Bisteck. Apparently, placing a towel on the sand is no longer enough to establish a legally respected personal-space boundary. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-10-02 License: CC-BY-NC-SA · non-commercial Category: Tools & Workshop

Tags: beach, beach toy, bisteck, funny, funny sign, funny thing, Funny Warning Sign, perimeter, perimeter defense, perimeter-defense, perimeters, roller, sand, sand roller, sanding tool

About this model

Apparently, placing a towel on the sand is no longer enough to establish a legally respected personal-space boundary. Beach balls, running children, flying sand, wandering feet and complete strangers will continue to invade your tiny coastal kingdom as if international borders had never been invented. That is why we created the Perimetrator: a 3D-printed sand roller designed to mark a clear and totally official-looking perimeter around your towel. Simply roll it over slightly damp or compacted sand and leave a repeating warning message behind. Will people actually respect it? We cannot guarantee that. But at least they will know they are trespassing. The Perimetrator comes with four interchangeable roller designs: KEEP OUT — with a skull and crossbones NO TRESPASSING — with a prohibition s…

Frequently asked questions

Is this 3D model free to download?
Yes. Perimetrator is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Bisteck.
Who made this model?
Designed by Bisteck, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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