It is a part of 1/18 US Navy Ship's Engine Order Telegraph:http://shpws.me/M4y4
Real scaled from original
Hollowed to saved material.
If you need a different size or a custom part designed just for you?
Please send me a PM.
Some part cleanup will be necessary. Water-based acrylic paints meant for plastics is strongly recommended. Other paints, especially enamels, may not cure on Frosted Detail 3D-printed plastics.