Special1211_pack4.part1.rar -
Since this is "part1.rar," ensure you have (part2, part3, etc.) in the same folder.
Other compatible 3D formats might include .obj , .stl , or .3ds . Open the file in Pepakura Designer or Pepakura Viewer. SPECIAL1211_PACK4.part1.rar
Follow the numbered flaps and edges to fold and glue the physical model. Since this is "part1