This is meant to provide ample living space for black worms (Lumbriculus variegatus), sought-after live food for aquarium fish.
Print it, fill it with gravel, put on the cap and submerge. Your worms will thank you.
Designed by memorywrangler in PartForge, parametric CAD with an AI collaborator.
License
Public domain dedicationYou can build on this forge: its code may be copied into forges the assistant makes for you, always naming this license. No credit required.
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