buckles
thingiverse
A tailor-made version of http://www.thingiverse.com/thing:44559 was created using Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=44559 with the following specifications: height is 2.4, webbing gap is 8, center thickness is 6, webbing width is 40, edge thickness is 4, corner breakage is 0.66, and corner rounding is 75.
Download Model from thingiverse
With this file you will be able to print buckles with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on buckles.