4

It's plastic. Nothing is difficult to remove, but it could be difficult to remove without damaging the functionality of visual quality of the part. If you want to be really devious, you could embed the serial number in an inaccessible cavity inside the print that's not visible without breaking it open. However, I wonder if it would make more sense to drop ...


2

For this specific application, it may be better to think in terms of a Lot Number for each batch instead of individual serial numbers. This will still let you trace back an item for where it was originally allocated, and greatly simplify your processing. Under this plan, you create the STL file for the basic part and before each printing batch open the base ...


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