Alternatives to NIH 3D

24 tools like NIH 3D, ranked by topic, tags and pricing. All of them open without an account.

No sign-up — opens and works · Opens in mainland China · Free

CadNav Open
Free 3D models and textures; direct download without account; mechanical and architectural focus.
3D3d模型纹理cadnav.com
CGBookcase Open
CC0 PBR textures, free for any purpose, no login.
3Dpbr材质cc0cgbookcase.com
Free Stock Textures Open
Free photographic texture library, commercial use allowed, no login.
3D贴图可商用freestocktextures.com
FreePBR Open
Free PBR materials explicitly allowed in commercial projects; no login.
3Dpbr材质可商用freepbr.com
MaterialX Library Open
AMD's official MaterialX material library; free downloads, no login.
3D材质materialxmatlib.gpuopen.com
NoEmotion HDRs Open
Free HDRI environment library; direct download without login.
3Dhdri免费noemotionhdrs.net
OpenGameArt Open
Open game asset library, 2D and 3D, CC0 or CC-BY, downloadable without login.
3D游戏资产cc0opengameart.org
MolView Open
Draw molecules online and get a rotatable 3D model instantly
3D化学分子Verified 23h agomolview.org
Bambu Lab Wiki Open
Bambu Lab's official wiki with per-printer settings, maintenance and fault-handling guides.
3Dbambusettingswiki.bambulab.com
Ellis Print Tuning Guide Open
Deep print-tuning guide for Klipper and Voron style printers: pressure advance, extrusion, troubleshooting.
3Dtuningklipperellis3dp.com
HDRMAPS Open
Real-captured HDRI library; 200+ freebies downloadable directly.
3Dhdri免费hdrmaps.com
Klipper Documentation Open
Official Klipper firmware docs for printer settings, G-code and resonance compensation, with Chinese translation.
3Dfirmwareklipperklipper3d.org
MatterHackers Troubleshooting Guide Open
Symptom-indexed FDM troubleshooting manual covering bed adhesion, clogs, stringing and layer shifts.
3Dtroubleshootingfdmmatterhackers.com
NASA 3D Resources Open
NASA's official free 3D models of spacecraft and planets
3DNASA3D模型Verified 23h agonasa3d.arc.nasa.gov
NASA Eyes Open
A NASA 3D tour of the solar system that flies you to any planet
3D天文太阳系Verified 23h agoeyes.nasa.gov
Open Heritage 3D Open
Open 3D scan datasets of at-risk heritage sites; free downloads.
3D3d扫描遗产openheritage3d.org
Open3DModel Open
Free 3D model library, no login needed; most models personal or education use only.
3D3d模型免费Needs a proxyopen3dmodel.com
3dicons Open
Free 3D icon packs with PNG and source file downloads
3D3D图标素材Verified 23h ago3dicons.co
Online 3D Viewer Open
Open STL, OBJ and GLTF models in the browser and rotate them
3D3D查看模型预览Verified 23h ago3dviewer.net
Khronos glTF Viewer Open
Khronos's official glTF sample viewer for inspecting models
3DglTF3D标准Verified 23h agogithub.khronos.org
Zygote Body Open
A free layered 3D human anatomy model you can peel apart
3D生物人体Verified 23h agozygotebody.com
Agisoft Metashape Tutorials Open
Official photogrammetry tutorials: building 3D models from photos, control points and DEMs.
3Dphotogrammetrytutorialsagisoft.com
Cesium Sandcastle Open
Cesium's official 3D globe examples, editable and runnable online
3D3D地球GISVerified 23h agosandcastle.cesium.com
Kenney Open
A free game asset collection with 3D models, textures and sounds
3D游戏素材3D模型Verified 23h agokenney.nl

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