Elegoo Resin Cap Seal

My Elegoo Resin bottle cap split.  Fortunately I found this excellent model on printables which is a replacement cap, but being resin, an inner seal made from a flexible material would help reduce the possibility of any vapour from the bottle.

I printed the one pictured in Fibology Fibreflex 40D and another with it fitted to the basic_cap.

This is a inner seal for the basic cap for in the linked model.