I will tell how to make google cardboard / VR
The materials must be prepared:
1. Cardboard former
Cardboard used not too thick origin sturdy enough
2. Lens Biconvex diameter 2,5-4cm
3. Magnet
Consists of a ring of magnets and magnet round, could use a refrigerator magnet of the patch.
4. Template design google cardboard
Google Cardboard manufacturing steps:
a. Print design
b. Scissors and paste it into a design like this picture:
design cardboard
c. Stick it on cardboard that had been prepared.
d. Cut and holed cardboard that has been affixed in accordance with design template
e. Google Cardboard raft into your own.
GOOD LUCK