Paper Fidget Spinner

Prepare a 15 × 15 cm square.

Fold along both dotted diagonals to form a cross.

Fold all four corners to the center.

Unfold, then crease the horizontal and vertical midlines.

Fold each edge toward the centerline, repeating on all four sides.

Bring all four sides toward the middle.

Leave one flap pointing in each direction and flatten the model.

Turn over and fold the small top square downward along the dotted line.

Fold the top toward the center.

Repeat these folds on the other three sides.

Fold the right-hand edge downward.

Press the folds so a triangle appears in the middle.

Turn over and lift the central portion with your finger.

Shape the lifted portion into another triangle.

Fold inward along the internal lines shown.

Fold the edges along the dotted centerlines.

Open and shape the center inward as pictured to help the model spin.