Bottle Cap from a Cola or Beer bottle.High level of details for cose up work with 2 sided mesh. Has molded rubber inside seal as a separate Lathed model that can be reduced in resolution.Built in 3DS Max 7.0, and exported as a 3DS file. Opened, checked, and rendered in Maya 7.0 to test the export. NOTE 3DS is an export format so some smoothing group adjusment should be expected as with most 3DS files.