Dark Dome
Pure simplicity. Just you and the fungi.
$49Kit price — or download free STL files and print your own
The simplest path to fresh mushrooms. An optimized passive airflow dome with smoked polycarbonate construction and quarter-turn bayonet mount. No wires, no batteries, no app — just clean design and quiet growth. Perfect for beginners who want beautiful results without complexity.
FEATURES
What Sets It Apart
Passive Airflow
8 intake + 4 exhaust vents engineered for 4–6 air changes per hour without any fans or power.
Smoked Polycarbonate
UV-filtering tinted dome blocks light stress while letting you monitor growth without opening the chamber.
Quarter-Turn Bayonet
Tool-free dome removal with a satisfying quarter-turn lock. Secure seal, easy access for misting and harvest.
3D Printable
Full CERN-OHL-P-2.0 licensed design. Download the STL files and print on any standard FDM printer with PETG filament.
SPECIFICATIONS
Technical Details
HIGHLIGHTS
Why You'll Love It
- ✓Zero electricity — no plugs, no batteries, no charging
- ✓Works with every species we support out of the box
- ✓Smoked dome filters UV and hides substrate from view
- ✓Tool-free quarter-turn bayonet for easy harvesting
- ✓Dishwasher-safe polycarbonate dome (retail version)
BEST FOR
Beginners, minimalists, and anyone who wants a beautiful countertop dome without the complexity of electronics.
Ready to Grow?
Build your own from open-source files or back us on Kickstarter.
All hardware designs licensed under CERN-OHL-P-2.0. Free to use, modify, and distribute.