I custom built a Philadelphia Eagles football helmet from a game-used helmet. This is the process from start to finish. All products used are listed below:

PREP
Plastic Trim Remover Tools: https://amzn.to/47JSKPY
Elmer's Sticky-Out: https://amzn.to/45oZqkP
Goo-Gone: https://amzn.to/3so9JqJ
Dunlop Lemon Oil: https://amzn.to/3EbuJUl
Bondo Spot Putty: https://amzn.to/3YTniKX
3M Sanding Sponge: https://amzn.to/3Pcwnvl

PAINT
Emerald Green Pearl Spray Paint: https://amzn.to/47Px2tK
Clear Coat: https://amzn.to/45nzhTD
Honeywell Multi-Purpose Respirator: https://amzn.to/45olP1Q
3M Paint Respirator: https://amzn.to/3QUrM2e

Sandpaper (1500-7000 Grit): https://amzn.to/3PaCksq
Sandpaper (1000-3000 Grit): https://amzn.to/45kZiCU
Dremel: https://amzn.to/44kPuaF

FINISHING
Meguiars Ultimate Compound: https://amzn.to/3smlduN
Meguiars Ultimate Polish: https://amzn.to/3EbcRc9
Meguiars Liquid Wax: https://amzn.to/3sqEUSp