This model is originally scaled for 1/12 but this can be rescaled for 1/18 or 1/6. The head is hollowed to accommodate different necks.
This package contains 1 Classic Hulk Headsculpt for Action Figures.
This headsculpt is scaled for Marvel Select Immortal Hulk but you can scale it down to fit the Marvel Legends
You can sell this as a 3d printed head but you cannot resell the STL digital file.