Chopper's face is one of his key features. The eyes are 3d printed and I'm not 100% sold on them. I believe they protrude too much. I may reprint them before I finalize his face.

The head is wrapped with 2 layers of styrene. The bottom layer is siliconed and stapled in. The top or detail layer is attached using Weld-on 3. I'm very impressed with the bonding capability of the Weld-on. The back of his head has some issues where I did not properly measure the layer before bonding it. It's what I get for working late into the night. I should be able to correct my mistakes.