A drink cooler… that opens and closes by itself? Yes — and it’s awesome.

The DrinkColder is a functional, mechanical, and totally novel 3D-printable drink holder and passive cooler designed to automatically open and close based on the weight of your beverage. No motors, no springs — just smart geometry, precision balance, and gear-driven magic.

An IceCozy freezer pack for the DrinkColder is available here... [https://than.gs/m/1364094](https://than.gs/m/1364094)

**Why You’ll Love It**
This is more than a drink holder — it’s a conversation starter, a mini engineering demo, and a satisfying desktop toy all in one. Whether you’re hosting a backyard BBQ or just need a cool way to store your LaCroix at work, DrinkColder delivers form, function, and fun.

**What Makes It Special**
**Self-Closing Iris Lid** – When you place your beverage can inside, the lid closes around it. Press down on the DrinkColder top and the lid opens as your drink rises up. It’s all mechanical.
**Desktop Engineering Toy** – Beyond just function, it’s fun. Watch people’s faces as they figure it out.  
**Print-Perfect Design** – Designed to print support-free, with one built-in removable brim to ensure successful printing.
Great Conversation Piece – On your BBQ table, patio, or even your office desk.

**Features**

- Fits standard 355ml (12oz) cans
- Includes optional cozy insert or TPU ice ring mold to keep your drink extra cold
- Uses internal counterbalance and gears for motion — no electronics
- Designed for PLA with no supports required
- Visual assembly guide included
- Dimensions: 114mm x 114mm x 167mm (4.5” x 4.5” x 6.6”)
- Top iris opening: 70mm diameter

**Tips for Best Performance**

- Use light lubrication at rotating joints
- Deburr sharp edges after printing

**Related Links**

IceCozy freezer pack for the DrinkColder... 
[https://than.gs/m/1364094](https://than.gs/m/1364094)

Shaded Drink Coasters…
[https://than.gs/m/1109920](https://than.gs/m/1109920)

Compliant Beer Holster…
[https://than.gs/m/1002137](https://than.gs/m/1002137)

Gimballed Wine Holster…
[https://than.gs/m/1066121](https://than.gs/m/1066121)

**Visit my blog for more details and other designs**
[https://www.logicalplanet.com/](https://www.logicalplanet.com/)

**Revisions and Updates**
I occasionally update and revise my designs. When I do, I’ll document the changes here. Check back periodically for the latest revision notes or if you’re experiencing any issues with a model.

**20250617: **

1. I found that where the Top Walls (111) part was originally printed inverted, if you get any curling on your bed it does not sit perfectly with the Top Cap (101).  So I now recommend printing it non-inverted.  Therefore I have changed the brim location, modified the orientation in the STL and revised the part.  The new part is version 1v00a3 (the original was 1v00a).  If you are printing this model for the first time or you printed it successfully already you can ignore this. 


**Top Walls         Filename                                                           Status**
Original            DrinkColder 1v00a1 111 Top Walls         Removed
Revised            DrinkColder 1v00a3 111 Top Walls        Replaces 1v00a1

2. I discovered that the upright elements of the Base (301) could snap off relatively easily while inserting the Posts and Gears so I have strengthened it.  If you are printing this model for the first time or you printed it successfully already you can ignore this. 

**Base                   Filename                                                          Status**
Original             DrinkColder 1v00a1 301 Base              Removed
Revised             DrinkColder 1v00a3 301 Base             Replaces 1v00a1

3. While working on a Tallboy (16oz) can version, I realized that I could make the top assembly a little (10mm) shorter.  Doing so changes nothing about how the DrinkColder operates but it makes it smaller overall, and therefore faster to print and with less material.  So it is a great alternative.  If you would like to use this new shorter design you need to print the new Top Walls (112) and also a new shorter Ring Gear (212). I am not sure how to best present that so I am leaving both sets of parts (the original and the shorter ones) in the posting.  All other parts remain the same.  

**Top Walls         Filename                                                           Status**
Original           DrinkColder 1v00a1 111 Top Walls         Taller Version 
New Part         DrinkColder 1v00a3 112 Top Walls        Shorter alternative to 111

**Ring Gear         Filename                                                           Status**
Original            DrinkColder 1v00a1 211 Ring Gear        Taller Version (pairs with 111)
New Part         DrinkColder 1v00a3 212 Ring Gear        Shorter alt. to 211 (pairs with 211)




DrinkColder (12floz) – Self-Closing Drink Holder & Cooler

DrinkColder 1v00a1 301 Base.stl

DrinkColder 1v00a3 112 top walls (standard) shortened.stl

DrinkColder 1v00a3 212 ring gear (short).stl

"Music is the movement of the soul towards the Divine."
This 3D printable diorama is a tribute to the mystical world of Sufism and perfect for the Holy Month of Ramadan. It depicts a female dervish (Dervisha) in a state of deep spiritual meditation, playing the traditional Daf (drum). Whether as a gift for a loved one or a centerpiece for your own home, "The Sound of the Soul" captures the essence of mindfulness and prayer that defines these sacred days.

Optimized for Resin (SLA): Highly recommended to capture the fine details of the drum's texture and the complex energy swirls.



The Sound of the Soul — Sufi Dervish (Ramadan Special Edition)

Darvsh_SubTool4.stl

"It is only with the heart that one can see rightly; what is essential is invisible to the eye."

Bring one of the most beloved stories in literature to life with this high-detail 3D printable diorama. Inspired by Antoine de Saint-Exupéry’s masterpiece, this model depicts the Little Prince in a moment of quiet reflection, sitting within the protective shell of his tiny planet (Asteroid B-612) alongside his cherished Rose.

• Print-Ready: Optimized for Resin (SLA) to capture the delicate features of the Prince’s face and the petals of the Rose.

Revisit your childhood and remember what truly matters.


The Little Prince & His Rose - A Tale of Love and Responsibility

prince_SubTool2.stl

"Sometimes, love strikes when you least expect it... and it strikes hard."

Celebrate the season of passion with this special 3D printable sculpture. This piece captures the literal moment of being "struck by Cupid" — a beautiful, dynamic figure caught in the overwhelming rush of falling in love.

• Optimized for Resin (SLA): Highly recommended for capturing the fine details of the hair, the arrow, and the silhouette.

Don’t fall on the floor, Fall in Love — Valentine's Special

Luv_SubTool1.stl

Beth Dutton: The Storm of Yellowstone - High-Detail 3D Printable Figure

If you know, you know. Beth Dutton isn't just a character; she's an energy. For everyone who loves her uncompromising strength and sharp tongue, I’ve created this high-detail 3D printable model inspired by the star of Yellowstone.

• Iconic Pose: The ultimate power stance for your collection.

• Optimized for Resin (SLA): Highly recommended to capture the fine details of her face and the wood grain on the shotgun.

• FDM Friendly: Scalable for larger prints if you want a bold desk centerpiece.

• Ready to Paint: The contrast between the soft floral patterns and the cold steel of the gun makes it a fantastic project for artists.

Are you ready to stand your ground? Add the storm of the Dutton Ranch to your shelf today.

In a world full of Karens, be a BETH

Beth_SubTool2.stl

The game is over. Or is it just beginning?
Finally revealed! This high-detail 3D printable diorama captures one of the most intense and atmospheric moments in Gotham City. Is she truly defeated, or is this just another step in a much larger, twisted plan? In a city built on shadows, the truth is never simple.
This is a FanArt for any DC fan’s collection. 

• Print-Ready: Perfect for Resin (SLA) printing to capture the fine details, but also scalable for FDM printers.


printready

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DrinkColder (12floz) – Self-Closing Drink Holder & Cooler

The Sound of the Soul — Sufi Dervish (Ramadan Special Edition)

The Little Prince & His Rose - A Tale of Love and Responsibility

Don’t fall on the floor, Fall in Love — Valentine's Special

In a world full of Karens, be a BETH

Batman & Harley Quinn: The Power