The item is a 3 mm x 3mm x 0.75mm sleeve which will fit over a small tab like a sleeve. See attached diagram. One end will be open. The walls of the item need to be as thin as possible. Can be made from silicone, PMMA (polymethylmethacrylate), or acrylic. Must be able to produce a small run (3-4 units) for initial testing. Please do not bid if you are unable to produce a physical prototype. thanks Desired Skills: 3d Modelling, Industrial Engineering, Manufacturing Design, Materials Engineering, Mechanical Engineering Keywords: Other - Engineering & Manufacturing, Engineering, Mechanical, 3d, Industrial, Material, Manufacturing, Design, Modelling