- Sketchfab - The best 3D viewer on the web
With a community of over one million creators, we are the world’s largest platform to publish, share, and discover 3D content on web, mobile, AR, and VR
- 3D Design - Tinkercad
3D design is the first step in bringing your ideas to life Start your journey to change how the world is designed and made today
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3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp
- Thingiverse - Digital Designs for Physical Objects
Download millions of 3D models and files for your 3D printer, laser cutter, or CNC From custom parts to unique designs, you can find them on Thingive
- Cults・Download free 3D printer models・STL, OBJ, 3MF, CAD
Discover and download the best 3D models for all your projects: 3D printing, CNC machining - Laser cutting, Papercraft Origami, Sewing pattern, and Electronics - PCB
- Figuro: Easy 3D Modeling Online
Figuro is a free online 3D modeling website for students, 3D hobbyists, artists, game developers and more Use Figuro to create 3D models quickly and easily
- Free 3D Modeling Software | 3D Design Online - SketchUp
Meet SketchUp Free: online 3D design software that lets you dive in and get creating without downloading a thing The best part: it's free
- Three-dimensional space - Wikipedia
Alternatively, it can be referred to as 3D space, 3-space or, rarely, tri-dimensional space Most commonly, it means the three-dimensional Euclidean space, that is, the Euclidean space of dimension three, which models physical space More general three-dimensional spaces are called 3-manifolds
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