1.

2a.

Print the template

Glue the template onto cardboard

2b.

Glue light numbers on top of dark ones

3.

4.

Cut out cardboard

Assemble as on g.co/cardboard

Place lens curved side down

Google Cardboard v1.2

Printing template

Fold this flap behind the other and affix the disc magnet to the reverse side TENGAM