This is a digital file
This is a Pepakura file, you can print the templates provided in the digital file to build your own helmet of Heimdall as seen in Thor movies.
1.-Winrar or similar to open the .rar file.
2.-Pepakura Viewer or Pepakura Designer (if you need to edit the size), both available here:
Paper size available: Letter , A4 and B1(new)
Recommended Materials to print:
Also you can transfer the patrons in the printed templates to Foam or Cardboard.