The Concave Wonderland
★★★★☆ 4.0 · 3506 reviews · SKU MW-66517
163,302,448.00 GBP
In production — ships in 3 epochs
About this build
A demonstration showcase at 14,200 km outer diameter with a 2,600 km artificial interior sun and interior ocean covering 78% of inner surface. Includes 23 island settlements, undersea research facilities, and interior-navigation guides. Atmosphere cycles synchronized to interior sun (20-hour day cycle). Geological investment: 33 epochs. Winner of the Magrathea Innovation Showcase Award.
Specifications
| Climate | Binary Star Twilight |
|---|---|
| Coastline Complexity | Single continental mass |
| Delivery Estimate | 8-10 days (premium handling) |
| Diameter | 6,371 km |
| Star System | Circumbinary system |
| Surface Gravity | 1.8g |
| Warranty Coverage | 5-year ecosystem balance |
Customer reviews
The mangrove and freshwater marsh configuration supports migratory bird populations authentically. Our ornithological research has produced three peer-reviewed publications. Exceptional platform for ecosystem science.
I specified exact parameters for every geological feature, and Magrathea delivered each one with remarkable accuracy. This is precision engineering applied to planets.
My custom moon cluster has the most beautiful eclipse choreography. The orbital mechanics create predictable but stunning shadow patterns throughout the year. Absolutely genius design.
The ringed world is attractive, but the ring system required more maintenance than described. It's still beautiful, but not quite the hands-off experience I expected.