Was using a foam one for a long time on our gym door. Was always falling off and blowing in the wind.
Someone mentioned, Man If only we knew someone that could make something lol. I walked away saying yea If only...
After a few min thinking about it..... I decided to make "something".

Works awesome, everyone loves it!!

10-15% infil
PLA or PETG ether works.
0.2 layer
0.4 nozzle
I used Bambu Studio for my A1 Bambu lab Printer.
No supports or brim needed.