Hello, My name is Roberto, I'm a designer and I would love to work for your vending machine idea, I design products from scratch for direct markets or for crowdfunding,
*from here --> https://www.freelancer.com/u/SoyRbto
you can see some of my portfolio and previous work, the full project is not displayed many of them have documentation, stress analysis, and video-assembly, I can send you some on chat if you want to see more in-depth.
I can guide you all the way through the conceptual design, the development plan, construction model, and manufacture process, I have 4 years of experience and I can save you a lot of money and time.
I'm available to start at the moment, I offer full time availability and communication while the project is active, if you want to discuss the details I'll be in chat
Have a great day, I'll be waiting for you in chat.