1. 2a. 2b. 3. 4.
Print the template Glue the template Glue light numbers Cut out cardboard Assemble as on
onto cardboard on top of dark ones g.co/cardboard
Place lens
curved side
down
Cardboard 1.0
Printer template
Fold this flap behind
the other and affix
the disc magnet
to the reverse side
GNET
A
M