This chainmail is fully 3D printed in one piece with no assembly required.
The full size is 115x115mm - there is also a 30x30mm sample to test.
You can scale the model up by connecting multiple copies into one, or simply by using the built in scale tool in your slicer of choice.
2-3 walls
15-30% infill
PETG for durability
This model was based on the popular chainmail engineered by NASA - utilizing connected squares to create an awesome fabric design.