MasterpieceVR might be a bit more popular than PaintCube. We know about 1 link to it since March 2021 and only 1 link to PaintCube. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
A cool demo might be Plasmo --> https://paintcube.co/ --> https://plushify.net/#/ --> physical toy. Source: about 3 years ago
P.S. Only the the character and the walking-and-swinging animation were created with AI (using Masterpiece Studio's beta AI tool), the environment assets are regular models. Definitely still early days, but looking forward to seeing more AI game dev tools in the space. Source: about 1 year ago
Sculptura - 3D sculpting for everyone
Tilt Brush - Paint in spaces around you with Virtual Reality
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Oculus Medium - Sculpt, model and paint in virtual reality on a 3D canvas.
Nomad Sculpt - Nomad is a sculpting & painting mobile app, available on Android and iOS.
VR Sketch - A tool for designers to draw inside virtual reality