Villa Rainwater Cistern Sizing, First-Flush & Summer Drought Simulator

Deterministic Daily Yield-After-Spill (YAS) mass-balance reservoir simulation over 10-yr precipitation series + roof runoff coefficient engine (.csv, .pdf, .json) built for Graf, Wisy, Grundfos SBA, Rehau — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

DETERMINISTIC VERDICT

Double-click 2.4× zoom · Drag to pan / 3D orbit

Free Deterministic X-Ray Preview

Running ephemeral Wasm verification…

Verified Engineering Output

Instant unlock via Apple Pay / Card (Paddle Merchant of Record) · 1-click automated refund, zero support tickets.

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