
3D Models of Diffusers: STL Files for Printing
This collection gathers 3D models that spread air, water, light or scent, from car aero panels to lamp covers. It is useful when you need a specific diffuser shape and want to compare how different authors approach the same job. Each listing links to an STL or similar file you can prepare for a 3D printer. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
本合集的文字为英文,搜索本身支持任何语言。
合集是如何整理的
此合集由Polyzon根据已接入平台的搜索结果整理而成:去除重复项和没有预览图的模型,匹配度低的排在最后,其余按搜索结果顺序排列。模型归作者所有——请在各模型页面查看使用条款。
筛选规则:Polyzon编辑部 · 文字更新于2026年10月13日
从这里开始
合集中的全部模型

iPad Air Sound Deflector
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Alfawise U20 Дефлектор воздушного потока вперед
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Alfawise U20 Дефлектор воздушного потока назад v2.1

Primer deflector for the lee turret reloading press (no primer clogs)

deflectors light under the chassis Ninebot G3 Max
Festool Makita track saw deflector

Deflector for Festool guideing rails

AUX Fan Deflector P1S/X1C

Deflects hot air from directly hitting the spool's filament

Heat Deflector for the Chitu H2 Heater (X1C/P1S)
AR-15 casing deflector

VW California T6.1 heater deflector for the seat exhaust

Deflector for the advanced filtration system Prusa CORE One/+

P1S X1C Fan Deflector
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Теплоотводной дефлектор Xerox Versant

AC Unit Air Deflector

Right Chamber Fan Deflector ⧸ X2D, P2S No Warping

P2S / X2D Hot Air Deflector (Heating Mode)

deflector for the thermal fan from ali express

140mm fan deflector (light, 45-60°)

Fabrikator E3D Fan Deflector to the top

RASSOR Bucket Drum Design - 2: Improvement of the internal deflector

P2S Aux Fan Deflector

Speaker Deflector for a Samsung Galaxy S3 with Hard Case

Stray light deflector for the BenQ W5700 rojector

Down The Clown Deflector

Snapmaker Printing Module fan shroud

X2D Left Aux Fan 45° Deflector ⧸ Warping Denied

SparkX i7 Purge Deflector
«3D Models of Diffusers: STL Files for Printing»
The models fall into a few groups. Automotive diffusers cover front and rear aero panels for scale bodies and RC drift cars, often split into several parts. Airflow diffusers redirect air from fans or vents, including auxiliary outlets for printer enclosures. Water diffusers spread a stream from hoses, watering cans or aquarium filters, while light and scent diffusers shape the output of LED strips, lamps and vent-mounted fresheners.
Before printing, open the author's page and read the listed dimensions and scale, since a 1:24 body part and a full-size vent piece need very different setups. Check how many parts the model has and how they join, whether the author used supports, and which material and layer height they name. Photos of finished prints show how thin walls, slots and curved vanes actually come out.
If a search returns little, try related wording: aero, lip, skirt, spoiler or vent for car parts; airflow, duct or nozzle for air; spreader, sprinkler or filter outlet for water; shade, cover or panel for light. Adding the intended context, such as the device, room or vehicle type, narrows results faster than a single broad term.
Diffuser geometry often depends on thin, angled surfaces, so orientation on the build plate matters as much as the file itself. Flat panels print easily; parts with long overhangs may need splitting or added support. Where a model is meant to fit an existing opening, measure that opening first and compare it with the dimensions the author gives.
常见问题
What kinds of diffuser models can I find here?
How do I choose the right scale for a car diffuser?
Do diffuser models need supports?
Which material works for a diffuser part?
全部3D模型分类
完整的主题目录:从家居日用到CNC,均可在已接入的来源平台中搜索。








