Hyperboloid Pencil Holder, Geometric Cooling Tower Design

Design preview. Rendered from the file, not a photo.
This model is not currently offered as a verified ready to buy print.
What it does
- Turns your everyday pencils into a mesmerizing stacked cooling tower
- Bold geometric hyperboloid shape adds visual intrigue to any desk
- Playful conversation starter for math and geometry fans
- Keeps pens and pencils organized with sculptural flair
This hyperboloid pencil holder transforms your desktop into a mini architectural exhibit. Inspired by the iconic cooling tower silhouette, it's one of those 3d printed office accessories that makes people do a double-take, your pencils become part of a bold geometric sculpture that's equal parts functional and fascinating.
The stacked hyperboloid design isn't just eye candy. It holds your writing tools securely while sparking conversations about math, geometry, and why cooling towers look so darn cool. Perfect for the desk of anyone who loves a little visual trickery with their office supplies.
Originally conceived as a playful twist on the standard pen cup, this holder brings that "wait, how does that work?" energy to your workspace. It's the kind of piece that makes coworkers lean in and ask where you got it.
12k downloads in the maker community. That is interest in the design on the site it came from, not our sales.
What you get
- This design prints as one piece.
- Nothing else to print or buy for this to work.
What it is made of
Designs like this print well in PLA. Compare the materials.
Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.
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Who made this design
Designed by MakeALot. We did not draw it.
Shared under Creative Commons, credit and share alike. See the original design