Hello, I am a designer architect with extensive experience in design and in the use of computer tools to represent designs in 2 and 3 dimensions, in my studio I work with my wife who is an architect with a profile similar to mine, I offer you our joint work and first design a concept in a three-dimensional model that reflects the program of areas that you request, we would need more details about this restaurant, first of the program (how many tables? What capacity (2.4 or more diners) what type of food will be made (this defines the dimensions of the kitchen and the environments that it requires, does it include a bar ?, does it serve liquor? etc, etc., we can advise you on this approach, what we need, the information on the plan (dimensions of the premises) also to elaborate the model it is necessary to know if there is a theme you want to represent (a hamburger restaurant is different from a meat restaurant for example), etc, etc, there are many additional details that we can assure. Sorar, depends on the level of detail you require in this first proposal. I offer a low cost because I am starting on this page (I have no recommendations) but if you check my portfolio (you will see that I am a trained professional and supported in my study by another architect, I consider that this work can be done in a week, and We can work simultaneously with 2 architects, consider this, it is a promotion that I offer you and will allow you to obtain a more complete product, I am available