Dive bell drawing

Hello, This job, is a small easy line drawing of a Dive Bell. Please see the attached pictures before bidding on this job! The first picture is of the dive bell i want, does not have to be the same exactly. but gives the idea. The second, is a picture my Wife made in pencil, not really in proportion. The third pic, of R2D2, is the style of drawing i want. I am looking for the simple lines, in proportion, and not shaded. No need for to many details. This drawing is intended for a stamp. I dont think it is to hard, or will take to long, that is why i want this to be a cheap job. I would expect this job to take a couple of days only. If you think its not worth it, or you are not willing to finished in a day or two, please dont bid.