Sluice Box

🪙 Passive Gold Sluice Box (No Pump Needed)🔥 OverviewThis is a compact, passive gold sluice box designed to work in natural flowing water — no pump, no power, and minimal setup required.Built for beginners and hobby prospectors, this design focuses on fine gold recovery in small rivers and creek confluences (like where a creek meets a river).⚙️ Features✅ No pump required – uses natural water flow✅ Fine gold optimized riffles (low profile to prevent washout)✅ Wide intake flare to catch more water✅ Built-in hopper for slow, gravity-fed material✅ Anchor points for easy stabilization with rocks✅ 3D printable design🧠 How It WorksWater flows into the intake and down the sluice. As material moves through:Lighter sand and gravel wash awayHeavier material (like gold) settles behind rifflesThe hopper allows slow feeding, making it semi-automatic.📍 Best Use CaseThis sluice performs best in:Small to medium riversCreek-to-river confluencesShallow flowing water👉 Ideal for locations like the Crow