Interactive 3D Lottery with ThreeJS
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Updated
Oct 26, 2025 - JavaScript
Interactive 3D Lottery with ThreeJS
Operational kuji-style (lottery box) fair draw engine: quantity-preserving assignment, reservations, entitlements, a final-segment queue, atomic draw+payout with idempotency, and a production PostgreSQL reference implementation.
Had an idea for how I would make an Ichiban Kuji website
Catkuji is gatcha application with event catalogs, prize draws, inventory, Midtrans payments, and Biteship shipping. Built with Laravel, Vue, Inertia.js, and MySQL.
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