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The utility carabiner is a versatile and reliable accessory designed for everyday use. Featuring a pre-tensioned mechanism, it stays securely closed without any hassle. The built-in dual safety notches prevent unwanted lateral openings and deformation under load, ensuring your items stay safe and attached. Compact and easy to print, the model can be effortlessly scaled up to 150% to suit your needs.

Printable files and quantities:

• Utility carabiner: 1X

Printing Instructions:

Printing the utility carabiner is straightforward and does not require any special configurations. Use standard 3D printing profiles for optimal results.

• Layer height: 0.2 mm (0.15 mm recommended for detail)

• Infill: 100% for maximum strength

• Material: PLA or PETG (for added flexibility)

As you scale the model larger, it’s recommended to increase the number of perimeters to maintain a balance between rigidity and flexibility. PETG is preferred for larger prints as it remains more flexible compared to PLA.

Tool Objective:

The objective is simple: provide a secure and versatile clip for everyday use. The pre-tensioned mechanism ensures the carabiner stays closed, while the dual safety notches prevent unintended lateral openings and deformation under load. The carabiner is designed to be printed at 100% infill for maximum durability and can be scaled up to 150% without compromising its functionality. By adjusting the number of perimeters, you can customize the flexibility and rigidity to suit your needs. Tests have shown that the static breaking load for the model scaled to 150% is 24 Kgf or 235 N.

Did You Know?

The modern carabiner was invented by Otto Herzog, a German climber, in the early 20th century. Herzog’s design revolutionized climbing and many other industries by providing a quick and secure way to connect ropes and other gear. Today, carabiners are essential tools for climbers, adventurers, and everyday users alike, offering safety and convenience in a compact form.

Thank you to PCBWay for reaching out and sponsoring this project:

If your printer isn’t capable of printing technical materials that can withstand high temperatures or if you simply want to build this project using premium materials and finishes, PCBWay can come to your rescue!

PCBWay supports me in the development of my projects and specializes in PCB, PCBA, CNC, and 3D Printing, and has (in my experience) the best support & the widest amount of options for manufacturing as compared to other services. I highly recommend it.

Their 3D printing services offer a very wide selection of processes including SLA, DLP, FDM, SLM, SLS, PJ, VC, and materials including metals and nylon. The ordering process is very quick, just upload the design file and select the parameters.

The same print is uploaded on PCBWay+ Community, you can go V here V and get the print with one click.

https://www.pcbway.com/project/shareproject/Utility_Carabiner_Secure_and_Versatile_Clip_for_Everyday_Use_acc99784.html

👉 If you're new there don't forget to use this link for 5$ discount

https://pcbway.com/g/3BjHD9

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Utility Carabiner: Secure, Versatile Everyday Clip

[PETG - PLA] 0.15mm layer, 5 walls, 100% infill

0.2mm layer, 2 walls, 15% infill