Brackets and mounts
Float Valve – Eurobox
- Bounding box
- 152.1 × 44.1 × 49.1 mm
- Engine
- Precision B-rep
- Parameters
- 15
- Published
- November 2, 2026
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The prompt
Design a simple mechanical float valve for a standard Eurobox that can be 3D printed. The valve should automatically maintain the water level without using electronics. Requirements: - Operates using a hollow, airtight float. - When the water level drops, the float moves down and opens the valve. - When the water level rises, the float closes the valve. - Water inlet and outlet diameter: 8 mm (0.8 cm). - Designed for low-pressure water supply. - Compact and easy to mount inside a Eurobox. - Use as few parts as possible. - Easy to assemble and easy to print on an FDM 3D printer. - Include O-ring seals where needed to prevent leaks. - Design the mechanism so it moves smoothly with low friction. Generate: - Complete CAD assembly. - Individual parts. - STEP files. - STL files. - A simple engineering drawing showing how the mechanism works. The design should be practical, reliable, and optimized for 3D printing rather than appearance.
Parameters
| Name | Value | Range |
|---|---|---|
| Body Length | 60 mm | 40 – 120 |
| Body Width | 30 mm | 20 – 60 |
| Body Height | 25 mm | 15 – 50 |
| Inlet/Outlet Diameter | 8 mm | 4 – 16 |
| Wall Thickness | 4 mm | — |
| O-Ring Groove Width | 2.2 mm | 1.5 – 4 |
| O-Ring Groove Depth | 1.5 mm | 0.8 – 3 |
| Pivot Pin Diameter | 4 mm | 2 – 8 |
| Float Arm Length | 90 mm | 50 – 150 |
| Float Arm Width | 8 mm | 4 – 16 |
| Float Arm Thickness | 4 mm | 2 – 8 |
| Float Sphere Outer Diameter | 44 mm | 20 – 80 |
| Float Shell Thickness | 2 mm | 1 – 5 |
| Pivot Distance from Valve End | 20 mm | 10 – 40 |
| Mounting Hole Diameter | 5 mm | 3 – 8 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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