Identify this piece please? 2x2 plate with 8-sided bar running around it Can anyone identify this item for me please?
Its brick name or design ID would be great!
2x2 Modified Plate with Octagonal Bar Frame, also called Parabolic Ring. Part number 75937.

Older version: http://www.bricklink.com/v2/catalog/catalogitem.page?P=30033#T=C

Slightly different newer version: http://www.bricklink.com/v2/catalog/catalogitem.page?P=75937#T=C