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3D Models of Trimmer Heads and Spare Parts

This collection gathers 3D-printable parts for garden line trimmers: replacement heads, spools, caps, blades and small service tools. It is useful when a stock part is worn or missing and you want to model or print a new one. The models vary in mounting style, so the STL files are only a starting point for checking dimensions. 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 · 48 modelli da 4 siti

Come è composta questa raccolta

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: 11/10/2026

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«3D Models of Trimmer Heads and Spare Parts»

The collection covers several families: complete string trimmer heads, bump-feed knobs and caps, spools or reels for line, bladed heads with plastic or metal cutters, and disassembly keys or storage lids. Some parts are simple covers, while others combine a hub, spring, and line retention features. The differences matter because a cap or knob may belong to one shaft type, while a full head includes the mounting thread or adapter.

When choosing a model, check the size and scale, the number of parts and assembly steps, and whether supports are needed. Look at the author's photos of real prints and the material and settings listed on the model page. For outdoor trimmer parts, the wall thickness, hole diameters, and thread pitch are often more important than the outer shape.

To refine a search, try synonyms such as string trimmer head, bump head, line spool, cutter cap, or blade head. Related terms include grass trimmer, brush cutter, weed eater, and replacement cover. You can also search by the part function, for example knob, spring, adapter, or disassembly key.

FAQ

Domande frequenti

What measurements should I check before printing a trimmer head?
Check the mounting thread or shaft diameter, the overall diameter, the line exit holes, and the height of the hub. Compare these with the part you are replacing and with the dimensions given on the model page.
Do trimmer head models need supports?
It depends on the geometry. Overhangs around the hub, line channels, and mounting threads may need supports or a different print orientation. The author's page often shows the intended orientation.
Which material works for a trimmer head?
The material depends on the load and abrasion the part sees. Authors may list PLA, PETG, ABS, ASA, or TPU for flexible blades; check their notes and your printer's capabilities.
How can I find a matching head if I do not know the model name?
Search by the thread size, the number of line exits, or the shape of the cap and knob. Photos and measured drawings on the model page help narrow the options.
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