Step 1: Materials
I've used red paper squares 9x9 cm, but you can use bigger or smaller...your choice.
Step 2: Folding the model
(I'm sorry, but my English is not very good and I'm not going to explain. I think you'll understand how to fold the model only looking the pictures)
Then fold the other 5 squares the same way.
Here's a video:)
Step 3: Connecting the models
Like you see each model has 2 points and 2 other sides. You must connect point from one model and other side from the other model. See the pictures.
And here's a video:
Step 4: Final folding