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I'm looking to build a ballpoint pen prototype. However, this is my first attempt at a project like this. I have a design in mind that I'd like to create, but have many questions about the specifics. I'm looking for someone who is familiar with the actual manufacturing process to advise me on how the product should be made. Several parts are thin, and very small. Would it be best to use a similar product for dimensions? Do I need a CAD of these parts?
I'd like to use aluminum alloy 7075 for its ability to be anodized and 6063. Where can I source this metal for my project? Cost difference of the two alloys?
These are the types of question I need answers to. Please do not bid unless you can help me through this entire process.