If its polyurethane its likely made out of castable polyurethane. It would be fairly straightforward to make a mold on a lathe or maybe 3D print a mold. Or you could have it 3D printed.
Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.