Sports & fitness

Foldable Boat Cup Holders: 3D Models and STL Files

This collection gathers 3D models for cup holders meant to travel on boats, boards and campers: folding arms, rail clamps, wall mounts and adapter parts. Most of them are small enough to print on a common 3D printer in one or two sessions. It helps when you want a holder that fits your own rail, tube or panel instead of a fixed store size. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 48 models from 3 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-12

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About the category

«Foldable Boat Cup Holders: 3D Models and STL Files»

The models differ mainly in how they attach. Some clamp onto a round or square rail, others screw to a flat surface, hang over a door edge or slide into an existing socket. Folding versions usually have a hinge or a living hinge so the holder lies flat when not in use, while rigid ones are simpler to print but take more space.

Before printing, read the author's page for the rail or tube diameter, the cup or can size the holder accepts, the number of separate parts and how they join. Check whether the model needs supports, what material and settings the author lists, and look at photos of real prints to judge wall thickness and the hinge area. Parts that carry a load benefit from a tougher filament and enough perimeters.

If a search returns little, try other wording: drink holder, can holder, rail clamp, rod holder adapter, pontoon accessory, kayak mount or camper organizer. Related topics such as fishing rod holders, board accessories or dashboard mounts often use the same clamp geometry, so those results can be adapted too.

FAQ

Frequently asked questions

What do I need to measure before printing a boat cup holder?
The rail or tube it clamps to, the diameter of the cup or can you plan to use, and the space around the mounting point. Authors usually state these on the model page.
Do folding cup holders print without supports?
It depends on the hinge and how the part is oriented. Some are designed to print flat in one piece, others need supports or a separate pin, so check the author's notes first.
Which filament works for a holder kept outdoors?
Filament choice is up to you, but parts exposed to sun and water are often printed in materials that tolerate heat and moisture. The author's page usually lists a suggested material.
Can a rail-mounted holder be adapted to a different tube size?
Often yes, by scaling the clamp in the slicer or printing a bushing. Check the stated diameter and how much clearance the design leaves.
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