To finish, clean off any surface glue with a razor blade and acetone. Pair with some shiny clothing (like my awesome Betabrand hoodie), and you're re...
Step 5: Finishing the Top
As you continue working your way up, the strips of tiles will get harder and harder to fit. At a certain point I needed to cut the tiles apart most of the way with an knife before placing them on the helmet.
When I got to the very top, because it was not a perfect circle, I placed the tiles as shown.