In-ground Worm Composter, Worm Farm. Or, Vented Storage Jar
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Turns kitchen scraps a garden waste into nutrient-rich compost by inviting red wigglers.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Noncommercial
Change Log
May 18, 2026 - Updated to V4 with more robust 45 degree threads instead of 60 degree in V3.
May 16, 2026 - Updated to V3 with improved lid design and thinner wall to save filament.
What
DIY In-Ground Worm Composting System that turns kitchen scraps and garden waste into nutrient-rich compost. Bury it in raised bed to invite worms to break down organic waste, feeding your plants and supporting sustainable gardening.
Design
Compact size of 260mm Height x 110mm Diameter.
10mm holes all around for ventilation.
2.4mm thick walls for strength and durability.
Screw on lid with recessed ribs to improve grip.
Printing
Print with PETG for durability, 3x walls. 0.2 or 0.24mm layer height should be fine.
Add some brims for the main container to keep it stable during print.
Cost: ~220g of PETG, $3 per unit with economy filament from Amazon.