This Adjustable Window Holder is a simple and effective solution to keep sliding or tilting windows open at a fixed position.
It works by resting on the window rail while the handle locks the window in place, preventing it from closing due to wind, vibration, or gravity.

Designed to be strong, compact, and easy to print, this model is ideal for apartments, offices, and workshops.

🔧 Features

• Adjustable length using stepped teeth for multiple opening positions
• Locks directly against the window handle
• Prevents the window from closing unintentionally
• No screws, glue, or tools required
• Compact, minimal design
• Works on most sliding or tilt windows

🏠 Use Cases

• Keep windows open for ventilation
• Prevent slamming due to wind
• Improve airflow while maintaining safety
• Ideal for homes, offices, and 3D printing rooms

📌 How to Use

1. Open the window to the desired position
2. Place the holder on the window rail
3. Adjust the length so it fits between the frame and the window handle
4. Let the window rest against the holder — it will stay locked in place

⚠️ Notes

• This is a mechanical stop, not a security lock
• Do not use it as a child-safety device