3D Printed Radiator Bleed Key

by Owlyth · Hand Tools

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5 Makes

This small but handy tool helps you easily bleed air from your home radiators.Designed for 3D printing without supports, it fits most standard radiator valves (square type).Perfect for autumn and winter maintenance — no more cold spots in your heating! ✅ Print time: ~15–20 minutes✅ Material: PLA / PETG recommended✅ No supports required✅ Compact and durable design You can attach it to your keychain or keep one in every room for quick access.Created and tested in real conditions — simple, effective, and reusable.