Open-Source Mushroom Cultivation
The void is not empty.It's waiting.
A premium 3D-printable mushroom dome with UV-C sterilization, smart climate control, and open-source design.
Join the community. No spam, ever.
Open-Source Mushroom Cultivation
The void is not empty.It's waiting.
A premium 3D-printable mushroom dome with UV-C sterilization, smart climate control, and open-source design.
Join the community. No spam, ever.
THE VOID CORE
Grow Gourmet Mushrooms at Home
Three domes. One mission. Fresh mushrooms from your countertop.
From countertop to kitchen table.
VALIDATED SPECIES
Six Species, One Dome
From beginner-friendly oysters to advanced reishi. Every species tested and validated in the Void.
Lion's Mane
Hericium erinaceus
The brain mushroom. Cognitive support meets culinary luxury.
Read Guide →
Pink Oyster
Pleurotus djamor
Fastest grower. Vibrant pink fans in under two weeks.
Read Guide →
Blue Oyster
Pleurotus columbinus
Hardy and forgiving. The perfect first grow.
Read Guide →
Shiitake
Lentinula edodes
Ancient medicine, modern kitchen. Rich umami flavor.
Read Guide →
King Oyster
Pleurotus eryngii
Thick stems, meaty texture. The steak of mushrooms.
Read Guide →
Reishi
Ganoderma lucidum
The mushroom of immortality. Medicinal powerhouse.
Read Guide →
Not Sure Where to Start?
Find Your Perfect Species
Take our 60-second quiz and we'll match you with the ideal mushroom for your experience level and goals.
Take the Quiz →HOW IT WORKS
From Void to Harvest
Three steps to fresh gourmet mushrooms. No green thumb required.
01
Print It
Download free STL files and 3D-print your dome on any standard printer. Or wait for the Kickstarter — we’ll ship one to you.
02
Grow It
Drop in a substrate block, close the dome, and let the Void Core handle humidity, fresh air, and UV-C sterilization automatically.
03
Harvest It
Pick fresh gourmet mushrooms in 7–21 days. Lion’s Mane, oysters, shiitake — your kitchen, your harvest.
OPEN SOURCE
Built Open, Grown Together
The Void is licensed under CERN-OHL-P-2.0 — the gold standard for open-source hardware. Download the designs, modify the firmware, build your own. Every improvement feeds back to the community.
Browse the Build Docs →Ready to Enter the Void?
Join the community of home mushroom growers.
Join the community. No spam, ever.