They look great, and the one in the middle is a very good idea. there is however a design flaw. That gritds would make you have a bad time, acumulating water or some other things that you dont want to have to clean.
Don't get me wrong, i love those models anyway

This is the experimental design. I made samples per customer request,and all three are in production
Customer is satisfied because it sells well.
Thank you for comment

you refresh that product with a new 'astuce' which make it a new , congratulation , it's a value added