A Backyard Office That Actually Works
A sound-isolated, climate-controlled workspace built on the Thios modular standard. Design it in 3D, get your cut list, and build it from standard lumber in 3–4 weekends.
Design Your Workspace → No account required. Start building in seconds. Built on the Thios open standard · CERN OHL v2 licensedPrefab office pods cost $15,000–$50,000 delivered. Garage conversions average $15,000 and reduce resale value. Coworking spaces run $300–$500/month. The Ergosphere is a sound-isolated, climate-controlled workspace you build yourself for under $6,500 in materials — and take with you if you move.
Not a PDF — a complete open-source construction system
Complete build plans under CERN Open Hardware License. Modify, share, and improve freely.
Design your layout in our free online tool. Get your exact bill of materials and cut list.
Detailed assembly guide with dimensions, material specs, and photos for every module.
Get quotes from local suppliers. Connect with builders in your area.
Double-shell geodesic construction with mineral wool. Video calls, focus work, and meetings — no outside noise.
R-20 insulation keeps heat in winter, out in summer. Add a 5,000–8,000 BTU mini-split for precise temperature control.
Floor-to-ceiling windows, power-ready, and internet-routable. Plinth foundation — permanent, level, under $6,500 in materials.
| Usable Space | ~95 sq ft interior |
| Interior Height | 7 ft at desk level, 10 ft at peak |
| Windows | Floor-to-ceiling panels + optional skylights |
| Climate Control | Insulated year-round (R-20 mineral wool) |
| Power | Standard 120V / 240V ready |
| Acoustics | Double-shell construction for sound isolation |
| Foundation | Plinth (permanent, level) |
| Materials Budget | $4,000 - $6,500 (including windows and insulation) |
Step-by-step handbook, cut lists, material specs, and assembly guides — plus lifetime updates and community access. From $29.
See Pricing & Editions30-day money-back guarantee · Open-source license included
Design your configuration in our free online tool, then get material quotes from suppliers near you.
Design & Get QuotesEverything you need to build with precision — from templates to jigs.
Precision CNC-cut MDF routing guides and full-scale paper patterns for accurate fabrication.
View Templates →Download STL files for assembly jigs, alignment tools, and drilling guides. Print at home.
Professional-grade steel and aluminum jigs shipped directly to your door.
The Thiosphere™ SDK, the foundation to all our products, is open source hardware. In fact, all Thios products are. Specifically the CERN Open Hardware Licence Version 2 - Strongly Reciprocal.
That's a fancy way of saying that if you want to use our design, even for commercial purposes, you have to share your changes with everyone else.
Get the Whole Thiosphere™ Handbook - the complete guide to modular open source spaces - starting at $29!
Founder's Edition includes lifetime access to all planned handbooks!
