Womp (https://womp.com/) allows you to create, sculpt and generate 3D models directly in the browser.

Liquid 3D modeling: shapes merge and “sculpt” like clay, rather than classic polygons.
Freehand drawing transformable into solid.
Library of more than 500 materials and textures, mostly for a fee.

Spark, the built-in AI assistant, generates images or 3D meshes from a text instruction or image, and then refines the result by iteration.

The “Flow” mode, in beta version, allows you to sequence and automate actions from an infinite whiteboard.

Nano Banana, Flux and Qwen editor for images and Trellis 3D in free version.

Export in HD, formats compatible with common software and 3D printers (STL, OBJ).

Free version (“Starter”): 300 credits per day.