This is my opinion about your product innovation

Pros:

The light and comfortable tunable is the most important thing of this product, because with these 3 aspects a violinist will create a beautiful tone that will make anyone listen to it very enjoy. This is great in my opinion because in addition to the 3 main aspects of the design and the material used to make this violin is very unique.

Cons:

The price is quite expensive in addition I do not have enough money to buy 3Dvarius this :(

Lastly
This is the value I give to your product