Model Description

This 3D-printable tool is designed to fit over the valve handle of South African LPG gas cylinders (9kg, 14kg, 19kg, and 48kg). The tool provides extra grip and torque, making it easier to open and close the gas valve. With a 55mm diameter, the opener slides onto the valve knob, offering better leverage for those with limited hand strength.

Key features:

Compatibility: Fits standard South African LPG valve handles (55mm diameter).

Enhanced Grip: Adds extra leverage for easier operation.

Print-Friendly: No supports required; easy for beginners to print.

Portable: Lightweight and removable for convenience.

Materials: PLA (tested), PETG, or ABS recommended for durability.

Design Concept

The opener increases the effective lever arm, making it easier to turn stiff valve knobs. The simple cylindrical design engages the valve with inner ribs, ensuring a secure fit. It's designed to print without supports, making it beginner-friendly. PLA is suitable for quick prints, but PETG or ABS is recommended for added strength and durability.

Leverage: Expands the valve's lever arm, making it easier to turn.

Easy Printing: Minimal geometry allows for support-free printing.

Durability: PETG or ABS will provide better strength for regular use.

This tool is a practical and easy-to-print solution for users who struggle with opening gas valves in South Africa.

Print Settings

Suggested filament: PETG or ABS (I tested with PLA and works great)

Layer height: 0.2mm

Walls: 3

Infill: 20%

Make overhangs printable: Ticked

Slow down for curled perimeters: Ticked

Reduce infill retraction: Unticked

LPG Cylinder Valve Opener

0.2mm layer, 3 walls, 20% infill

0.2mm layer, 2 walls, 15% infill

0.2mm layer, 2 walls, 10% infill