Chain mail tri-mesh improved

Revision: Added OpenSCAD File
Revision 2: May 28, 2021. Fixed a fatal bug that only shows up in the latest versions of OpenSCAD.

This is an improved version of my other tri-mesh design "www.thingiverse.com/thing:1874263". The surfaces are smoother so it behaves more slippery under tension and seems a little stronger. It also scales up better without looking jagged.

The original model was made in OpenSCAD in high resolution but the file is very large. It was then run through the decimation routine in Blender which reduced the size by 16x without losing much resolution. Both versions are included

The 4-ring version can be patterned in x and y to make any size square mesh that will fit on your bed. The x spacing is 31.05mm and the y spacing is 17.93mm. I have used both FreeCAD and TinkerCAD to do the patterning. Your slicer may also be able to do it. The include 5x9 pattern will fit on a 200mmX200mm bed.

I have had good luck using PLA and PETG with a bed covered in b