Change Resin settings in Preform


Since I am only using 3rd Party resins with my formlabs Form 2 and some really dont work, no matter what I try, I wanted to ask if I could change the exposure Settings and Time. That would make printing a lot easier.

Thanks a lot!

You can create custom exposure profiles for the Form 1+ with OpenFL, but not for the Form 2. Basically you have to pick one of the stock resin settings. If you search laser exposure power and likewise on the forums you can find charts people have come up with indicating the relative differences. Here are a few I’ve retained over the years:

Here are a couple of the posts I mentioned:

One other thing you can do if you need a lot more exposure is duplicate the part in Preform and line up the two copies perfectly - that will produce two laser passes for each layer.

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