This is a FCK NZS backpack patch.

The Patch is around 55mm x 55mm.

Feel free to size up or down.

Tape velcro tape on the backside.

for example this one:

https://www.amazon.de/dp/B098636NLW?ref=ppx_yo2ov_dt_b_product_details&th=1

Print Option:

Bambu Lab PLA Black

Bambu Lab PLA White

Bambu Lab PLA Red

15% Infill

If you have any questions, feel free to ask.