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3D Models for Mattress Holders, Mats and 4x4 Kits

This collection gathers STL files for mattress and bed-slat retainers, work mats, interlocking 4x4 bricks and body shells for small crawler chassis. It helps when you need a practical part for a bed frame, a flat surface for a desk, or a printable accessory for a hobby build. Each entry leads to a model page where the author's own files and notes are shown. 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.

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 14/10/2026


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À propos de la catégorie

«3D Models for Mattress Holders, Mats and 4x4 Kits»

The parts differ in how they attach and how many pieces they use. Mattress retainers appear as simple stops, slat caps or brackets that press against a frame, while mats are usually flat plates with grids, raised edges or cut-outs. Interlocking bricks and tiles are modular and meant to be joined into larger surfaces, and crawler body shells are multi-part pieces with separate windows, grilles and mounting points.

Before printing, check the dimensions and scale against your own frame, desk or chassis, and count the separate parts and how they assemble. Look at whether the author lists supports, layer height, wall count and material, and read the notes on screw sizes or tolerances. Photos of real prints on the model page show how the part sits in place better than a render does.

Search results widen if you try other names for the same thing: mattress stopper, bed slat cap, anti-slip bracket, desk mat, soldering mat, building brick, modular tile, body shell or scale body. Adding a size, a chassis name or a scale to the query narrows it further. Related topics worth browsing are bed frame parts, workshop organisers and RC crawler accessories.

For load-bearing parts such as mattress stops, the material and wall thickness matter more than the shape, so compare the author's settings with how the part will be used. Thin decorative tiles and mats print quickly, while body shells with several panels take longer and often need test fitting before final assembly.

FAQ

Questions fréquentes

What is a mattress holder and why print one?
It is a small stop or bracket that keeps a mattress or a bed slat from sliding on the frame. Printing one lets you match the exact gap and frame width you have.
Do these models need supports?
It depends on the geometry and on how the author oriented the part. Check the model page for the orientation and support notes before slicing.
Which material works for a mattress stopper?
Stiffer filaments are common for parts under load, while plain PLA is often enough for light duty. The author's page usually names a material and settings.
How do I find a body shell that fits my crawler?
Compare the wheelbase, body length and mounting points listed for the shell with your chassis. Scale and body style in the query help filter the results.

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