How to make a pop up book page

Get your piece of paper out flat...

And fold it in half

Fold the spine in so that the edges meet

Measure down 7 cm

Draw a line at 7cm then very carefully cut it off

Like so

Open out your piece of paper it should look like this

Grab the top and pinch

Fold the outer edges in and voila

This is how is it should end up

Make as many pages as you want following this technique