Reference Design

Shadosphere Classic

The Portable Shade Pavilion

Designed by Thios

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Specifications

Diameter 3.7 m (12 ft)
Floor Area ~9.3 m² (~100 sq ft)
Modules 12
Panel Material UV-resistant ripstop fabric
Estimated Cost $2,500–$4,000
Build Time 1 weekend
Skill Level Beginner DIY
Foundation stakes
Tools Needed Drill, mallet, tape measure

A lightweight stake-anchored geodesic canopy for events, markets, and backyard gatherings. Uses tensioned fabric panels over the standard Thios frame for instant shade without permanent installation.

Bill of Materials

Frame Fasteners

#10 x 1-1/2 in. Flat Head Wood Screw, 18-8 Stainless Steel, Star Drive 48x
M6 x 25mm Hex Head Cap Screw, Class 8.8 Steel, Zinc Plated 48x

Foundation & Mounting

3/8 in.-16 x 3 in. Hex Head Bolt, Grade 5 Steel, Zinc Plated (Trailer/Foundation) 48x

Other Parts

M6 flat washers 96x
Panel weatherstripping 12x
Silicone sealant tube 1x
Ground anchor stakes 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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