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Consider using SLA 3D print technology for prototyping the jewelry designs. What's the minimum thickness of 3D printed parts that is possible by SLA printers? Is there any general rule independent of the manufacturer of the 3D printer? For example, does it depend upon the resolution of light projected by DLP projector?

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    $\begingroup$ The minimal thickness will be the minimal layer thickness of your printer, something around 0.025mm. Good luck peeling it off the build plate without ruining it completely. This is your limiting factor. $\endgroup$
    – SF.
    Nov 20 at 12:08
  • $\begingroup$ @SF. Thanks. That was a great help. If the 0.025mm layers are not attached to the build plate, I mean they are not the very first layers, but are somewhere inside the 3D model. should I be worried too? $\endgroup$
    – Megidd
    Nov 20 at 13:50
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    $\begingroup$ Without good support they'll peel off and stick to the vat. With good support... good luck peeling them off the support. What are you trying? 'Cause I'm smelling an XY problem here, you looking for a solution for a sub-problem (Y) of the greater problem (X), and there may be a much easier solution to X that doesn't involve sub-problem Y at all. $\endgroup$
    – SF.
    Nov 20 at 13:55
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    $\begingroup$ 0.025mm is too thin for any practical use in great most of materials - from my experience 0.03mm brass is as softer as tissue paper, Gold is much softer than brass. Have you considered using gold leaf to plate something of more sane thickness made of other material? $\endgroup$
    – SF.
    Nov 20 at 14:03
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    $\begingroup$ Yes, I really don't think surface tension and air bubbles will allow to flow into gaps this thin, never mind removal of the print from the (newly made) mold will be problematic. Another technique you may consider is electroplating. $\endgroup$
    – SF.
    Nov 20 at 15:17

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