A modification of a sample that comes with Structure Synth. This file if quite small (less than an inch across. You will want to enlarge it on your build plate to whatever size you want. I'd recommend at least 3-4 inches to start. The bigger you print it the nicer it will look. You should be able to get away with only placing supports from the bed up to the bottom of the piece. Any supports on the piece itself will either ruin the surface or be trapped inside.
The author stlcove has offered the item for free, you can now download it.
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