Question: Is there a design platform that offers a free version and allows for easy import and export of 3D models and 2D designs?

If you're looking for a design platform that has a free tier and that lets you import 3D models and 2D designs, Xspiral is a good option. It's a hybrid design visualization tool that spans 2D and 3D design and that includes advanced tools for real-time visualization and collaboration. It's web-based, renders in real time, has AI tools and supports a variety of import and export formats, and offers a free tier on its three pricing plans.

Another option is Bezi, which tries to simplify 3D design with tools like generative AI, real-time collaboration and integration with Figma. It can import 3D models and export in several formats, including cross-platform support and AR/VR. Bezi also offers a free Starter plan, so it's available to a broader audience.

Vizcom is another powerful tool that can turn sketches into photorealistic renderings and import 3D models. Its cloud-native design means data is protected, and it supports collaborative workspaces and different rendering options. Vizcom offers a free Starter plan for individuals and an EDU Program with free subscriptions for students and professors.

If you want a simple 3D model generation tool, Sloyd is an AI-based 3D model generator that can generate high-quality, customizable models with text prompts. It also includes tools like automated UV-unwrapping and LODs, and it can create 3D models in real time for games and apps. Sloyd offers a free Starter plan and more advanced options with its Plus and Enterprise tiers.