Reference Design

Ergosphere Classic

The Sound-Isolated Backyard Office

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Specifications

Diameter	3.7 m (12 ft)
Floor Area	~9.3 m² (~100 sq ft)
Modules	18
Panel Material	Composite with acoustic infill
Estimated Cost	$6,000–$8,500
Build Time	2–3 weekends
Skill Level	Intermediate DIY
Foundation	plinth
Tools Needed	Circular saw, drill, tape measure, level

A plinth-mounted modular workspace with 18 sound-dampened panels. Purpose-built for focused remote work with integrated desk space, cable management, and acoustic isolation from the outside world.

Bill of Materials

Panel and frame components from the Thios construction system. Open in the configurator for a full interactive breakdown.

Modules

18 interchangeable panels

View full module breakdown in Configurator →

Frame Fasteners

#10 x 1-1/2 in. Flat Head Wood Screw, 18-8 Stainless Steel, Star Drive 72x

M6 x 25mm Hex Head Cap Screw, Class 8.8 Steel, Zinc Plated 72x

Door Hardware

Mortise-Mount Hinge, 3 in. x 3 in., Stainless Steel, Full Mortise 4x

Foundation & Mounting

3/8 in.-16 x 3 in. Hex Head Bolt, Grade 5 Steel, Zinc Plated (Trailer/Foundation) 72x

Other Parts

M6 flat washers 144x

Door handle set 1x

Panel weatherstripping 18x

Silicone sealant tube 1x

M10 plinth anchor bolts 8x

👤 Designed by Peter Bartsch 20 years in product design

🏢 John Deere · FourKites · Nokia HERE

📜 CERN Open Hardware License v2 Modify, share, and improve freely

🪵 Standard Dimensional Lumber From any hardware store

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Ergosphere Classic

Specifications