3D Printer Filament Dryer That Mines Bitcoin at 6 TH/s

Dr. Anja Schmidt · 2026-04-19

Imagine a device that dries your 3D printer filament while quietly mining Bitcoin in the background. That's exactly what one inventor has built, and it's turning heads in the tech world. This clever gadget combines two hobbies into one energy-efficient machine, perfect for enthusiasts who want to earn a little crypto while they print. ### How It Works The filament dryer uses waste heat from Bitcoin mining to keep your spools dry and ready for printing. It's a smart reuse of energy that would otherwise go to waste. The device runs at just 140 watts while delivering a hashrate of 6 terahashes per second (TH/s). That's not enough to make you rich, but it's a fun way to offset some electricity costs. ### What Makes It Special This isn't the first Bitcoin-mining 3D printer accessory, but it's one of the most practical. The inventor previously showed off a Bitcoin-mining 3D printer, and now this dryer joins the lineup. Here's what stands out: - **Energy efficiency**: 140W power draw for both drying and mining - **Hashrate**: 6 TH/s, which is decent for a hobbyist setup - **Dual purpose**: Keeps filament dry while generating crypto - **Waste heat reuse**: No extra energy wasted on drying ### Who Is It For? This device is aimed at hobbyists and makers who already run 3D printers at home. If you're the type who likes to tinker and optimize every aspect of your setup, this is right up your alley. It's not a serious mining rig, but it's a fun project that adds value to your workspace. ### Is It Profitable? Let's be real: at 6 TH/s, you won't be retiring early. But the beauty is in the efficiency. The waste heat that would normally just warm up your room is now doing useful work. Plus, every little bit of Bitcoin helps, especially if you're already running the printer for hours on end. ### The Bigger Picture This invention shows how creative thinking can turn waste into opportunity. As 3D printing becomes more popular, finding ways to make the process more sustainable is key. Devices like this one blur the line between manufacturing and mining, and that's pretty exciting for the future of both fields. ### Should You Build One? If you're handy with electronics and have a 3D printer, this could be a fun weekend project. The inventor has shared details online, and the community is already buzzing with ideas. Just remember: it's more about the journey than the profit. You'll learn a lot about both mining and printing along the way. ### Final Thoughts This Bitcoin-mining filament dryer is a perfect example of how hobbyists are driving innovation. It's practical, efficient, and just plain cool. Whether you're into crypto or 3D printing, this device deserves a spot on your radar. Who knows? Maybe next year we'll see a version that also makes coffee.