Classic strap buckle
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A contest on straps would not be complete without a classical buckle. The competition asks for new designs, here is one.
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
This is a classical strap buckle as can be found on backpacks and other kind of low-load applications. The commercial, injection molded buckles of this kind are cheap to buy online. But hey, why buy if you can print in your favorite color?
I just noticed that I did not see such a classical buckle in the strings and straps contest yet. Likely because all the designs were published before already. So here is my version of a freshly designed buckle for the common one-inch straps.
This design can be easily printed without supports and will work out-of-printer. Simply print both parts in the uploaded orientation. PETG is clearly preferable due to its flexibility. I recommend 4 perimeters and 100% infill.
If you want a really cool buckle I recommend this “secret unlock mechanism” design: https://www.printables.com/model/565652
For a no-nonsense buckle mechanism, which is really tough and strong but not that quickly to open and close, I still favor the double D-ring principle. It is no coincidence that premium helmet makers still use it until today.
Get your double D-ring buckle here for 20mm straps:
https://www.printables.com/model/415716
…and here for regular one-inch straps:
https://www.printables.com/model/121235
You need the strap tensioner shown in the pictures to adjust the length of your straps? You can find them with double D-ring designs in the links stated above.
Happy printing!