Threadcraft Labs.
Hardware and software that earn their place in the room — and still work in ten years.
Local-first
No cloud, no subscription
Hand-finished in Wisconsin
Make one thing well before making the next.
Your data lives on the device. Not on a server.
Built to be repaired, not replaced.
What we make
01 / 02
Shipping 2027 · Pre-orders soon
Linden.
An air-quality monitor and HEPA H13 purifier in one. The screen on the front shows you what's in the room in plain English. The filter inside takes care of it.
Twenty-five numbered units in the first run. $429.
Visit lindenair.com
In the workshop
Next.
A second product line is in early development. We won't say what it is until we know we can make it well.
Want to hear when it's announced? Write to us.
Patience requiredTalk to us
Press, partnerships, investor inquiries — or just a question.
One person reads every message. Usually back within a day.