How to fold an origami acorn

Fold a brown diamond into a nut with a thin stem at the top, then fold a darker square into a domed cap and glue it over the top of the nut.

You need: A 15 cm square, brown on one side, an 11 cm square in a darker brown, and a glue stick. Easy, 9 steps, about 6 minutes.

Steps

Nut: crease. Start with the nut, white side up, like a diamond. Fold the left corner to the right corner, crease, and unfold.
Nut: thin top. Fold the two top edges in to lie along the centre crease, so the top becomes a long thin point.
Nut: turn it over. Flip it over so the brown side faces you.
Nut: sides and stem. Fold the two side corners and the very tip of the top point a little way behind. The sides stand up straight and the stem gets short.
Nut: round the bottom. Fold the two bottom corners and the very bottom tip a little way behind, to round off the nut.
Cap: new sheet. Set the nut aside. Take the darker square, white side up.
Cap: fold in half. Fold the bottom edge up to the top edge.
Cap: round it. Fold the two top corners behind a long way, and the two bottom corners just a little, so the cap gets a round dome.
Put on the cap. Glue the cap over the top of the nut, its folded edge across the nut, with the thin stem poking out above.

Draw rows of little bumps on the cap. Make a few and line them up on the windowsill.