I used the default settings for the first real test, and the delicate supports intersecting the larger body failed. The half-printed Sphinx butt fell off the structure and plopped in our resin and, over the next 5+ hours, the printer continued on its merry way (as it should), hardening the resin in the pattern of our Sphinx … on its rear, over and over. The wings look great though?
This was with a 2.5-second exposure time. We can see that our burn-in layer, which is super important for the resin to cling to the build plate, worked fine. As a more experienced 3D printing hobbyist, I know that I should increase my cure time here. I’ve failed enough prints over the years that I understand what happened and why, but that might not be true for the pure beginner — it would probably mean a trip over to Reddit to ask advice, only to be grumpily directed to some FAQ post that takes you 30 minutes to figure out what it’s talking about.
The worst part about the failed print is that we have to drain the vat and oh-so-gently use our plastic scraper to remove the Sphinx’s posterior from the FEP. Thankfully the box includes plenty of filter paper, and a cut-up water bottle makes the perfect funnel.
From the beginner’s perspective, it might be nicer if Anycubic set the default exposure time a little higher, to 4 seconds or so. The thing about that is, you want your cure time to be as low as possible without failing. A lower cure time means less time for the resin to deform or warp and lose detail in your print, but a failed print is so much more frustrating than an imperfect one, at least as far as miniature printing is concerned.
Now we refill the vat and try again. With the longer cure time, Anycubic is estimating eight hours for my second-attempt.
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