Print in place goal, just needs to be glued at the edges, or welded.
Printed it with 0,25 nozzle. Depending on the scale can be printed with a 0,6 nozzle.
Net is 0,2 mm wide in orginal scale.
On pic 6mm BB for scale (Printed at 150%).
Printed with a 0.25 nozzle, for the original scale make sure you adjust first layer height, for it to be visible after slicing.
(This 3d model is not my own, it was created by Thingiverse user stefan853 (https://www.thingiverse.com/stefan853/), but is in the CC - Public Domain)
Assembly
Needs to be glued at the edges, or welded. Used regular super glue.