Net Cup for Kratky hydroponics, 2" cups for mason jars or buckets
thingiverse
A set of Net cups that are designed for use with mason jars, with 5 gallon buckets, or totes. I added stabilizer fins for rockwool blocks or for seed starter plugs to help keep things centered. The smaller rimmed cup also has a version with small detent bumps to help it stay in a bucket lid or tote better. These are largely untested at this point. If you try them and have things that need fixed please let me know. These are built a little thicker and with vertical slits so roots can be easily cut off and the cups reused. They should not need supports. Flip the cups so they are rim side down and print.
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