Thanks for the mockup! These are definitely things we'll be thinking about for future updates.
thanks for the suggestion. About the sound, what kind of sound would like to have? Could you describe a case where you would use sound? This would help us narrow down what's needed if we implement sound in the future.
I personaly would like to add audio files to comment my 3D model or play music that would fit the model. So .mp3 or wave would be just enough for me.
I really would love that feature.
We just launched our Sound feature!