Clara.io was web-based freemium 3D computer graphics software developed by Exocortex, a Canadian software company, active from 2013-2022. The free or "Basic" component of their freemium offering, however, placed severe restrictions, such as on saving models and importing texture maps.Clara.io: Next-generation web-based 3D creation. Exocortex . 2013-07-10Democratizing 3D: Ottawa tech firm Exocortex bets on cost saving animation tool. Ottawa Business Journal. 2013-04-02Could Clara.io change the Future of the Visual Effects Industry. Gnomon School of Visual Effects. 2013-10

History Clara.io was announced in July 2013,Clara.io: The Power of Desktop 3D Software in the Cloud. CG Channel. 2013-07 and first presented as part of the official SIGGRAPH 2013 program later that month.Clara.io: Full-Featured 3D Content Creation for the Web and Cloud Era. SIGGRAPH 2013 Official Program By November 2013, when the open beta period started, Clara.io had 14,000 registered users.The future of 3D creation: on the web? FXGuide. 2013-11-04 Clara.io claimed to have 26,000 registered users in January 2014, which grew to 85,000 by December 2014 and 100,000 by 2015. Clara.io was permanently shut down on December 31, 2022. As of the closing date, it had over 500,000 low-poly 3D models available for download.

The developer, Exocortex, rebranded as "ThreeKit" to produce a 3D product configurator for e-commerce websites. The company raised a Series B funding round in 2021 in connection with the shift.

Features Polygonal modeling Constructive solid geometry Key frame animation Skeletal animation Hierarchical scene graph Texture mapping Photorealistic rendering (streaming cloud rendering using V-Ray CloudCloud-based Interactive Rendering with V-Ray within Clara.io. Chaos Group 2013-08) Scene publishing via HTML iframe embedding FBX, Collada, OBJ, STL and Three.js import/export Collaborative real-time editing Revision control (versioning & history) Scripting, Plugins & REST APIs 3D model library Unlisted and Private scenes (paid subscriptions only).

Technology Clara.io is developed using HTML5, JavaScript, WebGL and Three.js. Clara.io does not rely on any browser plugins and thus runs on any platform that has a modern standards compliant browser.

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See also 3D modeling Sketchfab SketchUp

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