Universal Modular Window & Door Stopper Set - Adjustable Fit, Dual-Hardness Inserts

This universal stopper is designed to fit most windows and doors, regardless of the gap between the floor and the bottom edge. The classic wedge shape ensures reliable grip and holds doors or windows securely in place. Included are two optional stiffening inserts in different hardness levels, allowing you to customize the rigidity and strength for any scenario - whether you need extra support for windows on a windy day or a softer fit where cushioning is desired. 

For best protection of surfaces from scuffs and abrasion, print the main stopper in flexible TPU, while the inserts should be printed in PETG for optimal stiffness and resilience. Additionally you can you can further tailor the stopper’s flexibility to your individual needs and the specific softness or hardness of your chosen TPU filament by changing amount of walls and infill. Simply select amount that matches your preference and filament properties in slicer to achieve the ideal balance of grip and firmness. 

This modular approach makes it easy to find the perfect combination for your home, office, or workspace.

 Key Features: 

• Universal fit for most door/window heights and gaps 
• Two optional, differently hardened inserts for adjustable strength 
• Flexible TPU stopper protects surfaces from damage or abrasion 
• Inserts in PETG for optimal rigidity and resilience 
• Non-slip, classic wedge design 
• Durable, versatile, and easy to store