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Elon Musk says 'we dug our own grave' with the Cybertruck as he warns Tesla faces enormous production challenges
(www.businessinsider.com)
this post was submitted on 20 Oct 2023
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So does that mean that you can get 1 micron accuracy as long as the part is sized to a multiple of the pixels width on the x and y? Is that just for aligned straight edges or can that be done for curves too?
The pixel alignment is a good place to start, but no 2 printers will produce an identical result at that level. That's why it's important to tune the model to the printer - not the other way around.
Can you get it on curves? Yes, certainly. For 3d printers, even the position you choose for the model within the build area makes a difference.
The question is really about executing the process of engineering in the correct order.
The most common mistake is to design the thing you want to build first. In reality, you start with what is essentially a sketch of what a functional end product looks like. Then, you buy/build tools/manufacturing equipment. Finally, you refine your sketch into a manufacturable product based on assessment of the most reliably repeatable results available from the actual machinery as it is installed.