Ferramentas e equipamentos

3D Models for Bottle, Can and Box Openers

This collection gathers 3D printing models built around opening things: bottle cap levers, can tab lifters, box and parcel cutters, and small covers that close a can again. Most of them are small parts, so they are a common first project for a new 3D printer owner. The range of shapes is wide, from pocket-sized keychain tools to wall-mounted levers. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

O texto desta coleção está em inglês; a busca funciona em qualquer idioma.

Como esta coleção é montada

O Polyzon monta esta coleção a partir dos resultados de busca dos sites conectados. Repetições e modelos sem prévia são removidos, correspondências fracas vão para o final e o restante segue a ordem da busca. Os modelos pertencem aos seus autores — confira os termos na página de cada modelo.

Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 13/10/2026


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«3D Models for Bottle, Can and Box Openers»

The models fall into a few families. Bottle openers use a lever with a lip that hooks under the cap, and some are shaped for one-handed use or for a specific bottle size. Can openers work on the tab or on the rim, and a few combine the opener with a cover that snaps back over the opening. Box and parcel openers replace a blade with a printed hook or a toothed edge, while keychain versions shrink the same geometry to fit a ring.

When choosing a model, look at the load-bearing areas first: the lip that grips the cap, the hinge or neck of a one-handed design, and the thickness of the hook on a box opener. Check the inner diameter and scale the author lists against the bottles or cans you actually have. Read the material and settings on the model page, since parts that bend under force behave differently in rigid and in tougher filaments, and check whether supports are needed or the part prints flat. Photos of real prints show how the edges and the grip came out.

To widen the search, try the other names these tools go by: bottle cap remover, church key, can tab lifter, parcel cutter, letter opener, keychain opener. Related topics that often appear alongside them are cap savers, can lid covers, wall-mounted openers and multi-tool keychains. If you want a specific format, add a shape or mounting word to the query, such as pocket, magnetic or screw-on.

FAQ

Perguntas frequentes

Which filament do people use for an opener?
Authors usually list the material they printed with, often PLA or PETG. Parts that flex under load are commonly printed in tougher filaments, but the model page is the place to check what the designer recommends.
Do these models need supports?
Many openers are designed to print flat, with the lever lying on the bed. Where a model has overhangs or a closed loop, the description usually states whether supports are needed.
How do I know an opener fits my bottles or cans?
Compare the inner lip diameter and the overall length given on the model page with the caps and cans you use. Scaling changes the grip, so a small change in size can matter more than it looks.
Can a printed box opener replace a blade?
Some designs cut with a printed hook or a toothed edge, and others hold a separate blade or a snap-off segment. The parts list on the model page tells you which approach a given design uses.

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