Darth Vader skull

This is a remix of Peter Farell's Darth Vader skull with the following changes:

• Repaired holes
• Removed hidden faces and internal geometry
• Remodelled mouth and tusks
• Remeshed with adaptive density and lower vertex count

Update:

• Simplified inner skull parts (mouth, nose and eye)
• Properly oriented tusk

• Repaired holes
• Removed hidden faces and internal geometry
• Remodelled mouth and tusks
• Remeshed with adaptive density and lower vertex count
• Simplified inner skull parts