How to make a single origami bed III

(page 2)

1st picture of single origami bed III

01.

Let's start with a square paper.

Prepare to apply a horizontal "Z-fold" and then "unfold" .

2nd picture of single origami bed III

02.

Apply a horizontal "Z-fold" of the step #1 and then unfold.

Prepare to apply two horizontal "valley-folds" and then "unfold" .