hello, i am expert using rhino and grasshopper, i can clean type of model that you have in rhino, and create any geometry that you want, i have experience working with 3d printing, creating prototypes, jewelry, and other things, i can work from scratch and create for you a new file or just fix the files that you already have to be printed, i am very interested in your task, because i am looking a type of job more recurrent, please contact me so i can show you some of my previous works, or check my brochure, thanks