
Flange DN250 STL Models for 3D Printing
This collection gathers 3D models of pipe flanges and related fittings, mostly around the DN250 nominal size, together with smaller diameters and duct adapters. It is useful when you need a flange shape for a mockup, a jig or a custom connection and want to print it on a 3D printer. The files are STL meshes, so the geometry is what you get from the author's page. 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 12/10/2026
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Todos os modelos desta coleção

Electrically actuated butterfly valve with electric actuator DN 250

GT2-5mm 12 teeth 6.35mm bore

Digital Caliper Holder (Mahr version) - Magnet Mount

Flexible compensation joint DN40-DN250

Brother SA156 / Class 15 Plastic Bobbin

DN 250 AIR VALVE- AIR LOCK
FeeYoung - FatShark 600TVL Rotating Camera Mount

USA 250 Flag Keychain
Bierlift / Erdkühlschrank / Bierversteck
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Ventilation duct 100 mm (DN100), 250 mm long – round air duct pipe, spigot ends, no supports
«Flange DN250 STL Models for 3D Printing»
The models fall into a few groups. Plate and weld-neck flanges follow standard bolt patterns and pressure classes, while flanged crosses, butterfly valve bodies and similar fittings combine a flange with another shape. Blast gates and extraction adapters connect a flange to a hose or duct, and vacuum flanges use a different sealing geometry altogether. The main differences between them are the bore, the bolt circle, the number of bolt holes and the face type.
When choosing a model, start with the nominal diameter and pressure class given in the title, then open the author's page and compare the outer diameter, bolt circle and hole count with the part you want to match. Check whether the bolt holes and the raised face are actually modeled or only suggested, and whether the body is solid or hollow. Look at the material and settings the author lists, and at photos of real prints, since large flat flanges tend to warp and thin walls behave differently from thick ones.
If a search returns too little, widen it with synonyms: flange, plate flange, weld-neck flange, blind flange, bride, flanş, flanged cross, blast gate, butterfly valve. Adding a pressure class or a standard number to the diameter narrows the results, while removing the diameter opens up neighbouring sizes. Related topics worth trying are pipe fittings, dust extraction, vacuum systems and valve actuators, which often use the same flange geometry.
Perguntas frequentes
What does DN250 mean on a flange model?
Do flange models need supports when printed?
How do I find two flanges that match each other?
Can these parts be used for real piping?
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