Miniature e wargame

12 Gauge STL Models: Boxes, Holders and Tools

This collection gathers 3D printing files that relate to 12 gauge shot shells: storage boxes, holders and carriers, reloading aids and dummy rounds. Most of them are small functional parts, so a single spool is usually enough. Because gauges and shell lengths differ, the dimensions on the author's page matter more than the pictures. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.

Una raccolta di Polyzon · 46 modelli da 5 siti

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Polyzon compone questa raccolta a partire dai risultati di ricerca dei siti collegati. I doppioni e i modelli senza anteprima vengono rimossi, le corrispondenze deboli finiscono in fondo e il resto mantiene l’ordine dei risultati. I modelli appartengono ai rispettivi autori: verifica le condizioni sulla pagina di ciascun modello.

Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 14/10/2026

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«12 Gauge STL Models: Boxes, Holders and Tools»

The models fall into a few groups. Storage boxes range from compact five-round trays to larger cases with hinged or sliding lids, and some are shaped to stack. Holders and carriers are flatter: belt loops, racks and caddies that keep shells upright on a bench or in a bag. Reloading items are the most technical group, covering crimp cutters, roll crimpers and boards that hold cases during a batch. Dummy rounds sit apart, since they are printed as solid shapes rather than as containers.

Before printing, read the model page for the shell length and gauge it was drawn around, then compare that with your own cases. Check whether the lid needs screws, magnets or a latch, how many separate parts are in the file set, and whether the author reports supports. Wall thickness and orientation affect how a thin holder behaves, and the material and settings listed by the author give a starting point. Photos of actual prints show more about fit than a rendered image does.

Search results for this topic mix gauges and purposes, so it helps to try several phrasings: shotshell, shell, cartridge, case, tray, caddy, ammo can, 20 gauge or 2-3/4 inch. Adding a use to the query, such as reloading bench, range bag or wall display, narrows the list further. If a model is close but not exact, scaling is often possible, though threads and snap fits are the parts that suffer first.

A few results match the query only by accident, for example items where a number in the title has nothing to do with shotguns. Skim the description and the tags before downloading, and treat the collection as a starting point rather than a finished list.

FAQ

Domande frequenti

What should I measure before printing a 12 gauge shell holder?
Measure the case length and the rim diameter of the shells you use, then compare them with the dimensions given on the model page. Gauge alone does not fix the length, since 2-3/4 inch and longer cases need different pockets.
Do these models need supports?
It depends on the shape. Flat trays and open holders often print without them, while boxes with overhangs or deep cavities may need them. The author's page usually states the orientation and whether supports were used.
Can a 12 gauge model be scaled for another gauge?
Scaling changes every dimension at once, so pockets may become too loose or too tight. Simple trays and boxes tolerate this better than parts with threads, snap fits or precise rims.
Which material is used for shell holders and boxes?
Authors list their own material and settings on the model page, and these vary. Rigid filaments hold shape in thin walls, while softer ones flex in belt loops and clips.
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