This box is very convenient for using for a storage of pencils and other writing accessories.

Use a square of paper.

1 Valley fold a sheet on a diagonal and unfold it.

2 Valley fold the bottom edge to meet the diagonal fold-line and unfold it.

3 Valley fold and unfold the bottom edge as shown.

4 Valley fold and unfold the bottom edge in half.

5 Valley fold the bottom edge up on existing fold-line.

6 Valley fold and unfold the top edge over along the adjacent edge. Valley fold and unfold the bottom edge up on existing fold-line.

7 Open out the layer.

8,9 Turn the paper around and make the creases as shown.

11 Make the 'mountain' folds.

12 Make the creases as shown.

13 Valley fold the top and bottom edges.

14 The result.

15 Bring the left- and right-hand sides around and together as shown.

16 Mountain fold the top and bottom edges.

17 Simultaneously pressing with two parties, not contradicting preliminary creases, receive a figure represented in the following step.

18 Press the model, latching a box.

Box for crayons is ready!