Sport et fitness

HJC i91 3D Models: Mounts, Insect Stops and Helmet Parts

This collection gathers 3D-printable accessories built around HJC i91 helmets and neighbouring HJC shells: chin camera mounts, insect stops, rear wings and simple holders. Most of it is small hardware rather than display pieces, so a single spool of filament covers several attempts. It is useful if you want to adapt a helmet for a camera or replace a small vent part without buying a whole new assembly. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Une collection Polyzon · 47 modèles sur 4 plateformes

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 12/10/2026

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«HJC i91 3D Models: Mounts, Insect Stops and Helmet Parts»

The parts fall into a few groups. Camera mounts sit at the chin bar or on the front of the shell and usually consist of a base plate plus a rail or a two-prong interface. Insect stops are thin perforated inserts that sit behind a vent opening. Rear wings and spoilers are larger shell add-ons, while holders and stands are bench pieces that keep a helmet off a table. Each group differs in print orientation and in how much load it carries.

Before printing, read the model page for the shell size and version the author measured, the number of separate parts, and the fasteners or adhesive the design expects. Check whether the geometry needs supports, and how thin the walls are around screw holes, since those areas carry the stress. The author's listed material and settings, plus photos of real prints, tell you more than a render does; a rough surface finish on a chin mount is normal and can be sanded.

If the exact part you want is not listed, widen the search. Try synonyms such as chin mount, action camera mount, two-prong base, vent mesh, insect guard, spoiler or helmet holder, and drop the model number to browse related HJC shells and other helmet brands. Searching by the mounting standard rather than the helmet name often returns more results, and a mount made for a similar shell can be scaled or trimmed to match.

FAQ

Questions fréquentes

What kinds of parts for HJC i91 helmets appear in this collection?
Mostly small accessories: chin and jaw camera mounts, insect stops for vent openings, rear wings, and holders or stands for storing a helmet. Some entries are made for neighbouring HJC shells and can be adapted.
Do these mounts need supports when printing?
It depends on the shape. Flat base plates often print without them, while angled rails and hollow brackets usually need supports under overhangs. The model page normally states the orientation the author used.
Which material is used for helmet mounts?
Authors commonly list PETG, ABS or ASA for parts that stay on a helmet, and PLA for bench stands. Check the material and settings on the model page and match them to what your printer handles.
How do I find a mount for a different HJC helmet?
Search by the mounting standard and the part position rather than the helmet name, for example chin mount, front mount or vent insert. Related HJC shells and other brands often share the same mounting pattern.
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