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Piano

How to fold an origami piano

Paper
One square sheet of paper.
Preparation
No cutting or gluing is included in these folding steps. Begin with “Mark the vertical center”.
What you will make
A piano shape with the front panel and sides opened out.

Fold a piano by opening pockets into a roof-like base, then lifting the front panel and folding the sides inward. Open three sides to right angles at the end. Compare side views of the flat intermediate shape and the final standing form.

Follow the 12 steps above by scrolling. Drag the model to inspect a fold from another angle, and scroll back to review a previous step.

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Read all 12 folding steps
  1. Mark the vertical center
  2. Fold the top edge to the bottom edge
  3. Fold the right edge to the center
  4. Fold the left edge to the center
  5. Crease the right roof diagonally
  6. Crease the left roof diagonally
  7. Open and squash the left roof pocket
  8. Open and squash the right roof pocket
  9. Fold the center front flap up
  10. Fold the left side to the center
  11. Fold the right side to the center
  12. Open the three sides to right angles

Tricky points and what to check

I lose track of the keyboard panel

Steps to review: 9・10・11

Lift the center front panel first, then fold the sides to the center. Follow the center panel separately from the two side panels.

The model still looks flat at the end

Steps to review: 12

The final step opens three sides to right angles. Compare the illustrated stages to see the center and side panels form the standing model.

Step 12：Open the three sides to right angles

Three views from the same 3D folding sequence. Read from top to bottom.

Flat piano before opening, with a white inverted triangle at the top
Flat piano before opening, with a white inverted triangle at the top

After step 11. Compare with the next image to identify the part that moves.

Before：After step 11. Compare with the next image to identify the part that moves.
Piano side panels rising while the white center panel stands upright
Piano side panels rising while the white center panel stands upright

Identify the center panel and the two sides. Compare their positions before and after all three open to right angles.

During：Identify the center panel and the two sides. Compare their positions before and after all three open to right angles.
Completed piano with sides and patterned keyboard opened to right angles
Completed piano with sides and patterned keyboard opened to right angles

After “Open the three sides to right angles”. Compare the corners and layers with the first image.

After：After “Open the three sides to right angles”. Compare the corners and layers with the first image.
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SCROLL TO FOLD

Fold a piano by opening pockets into a roof-like base, then lifting the front panel and folding the sides inward.

Completed origami piano

Completed model · Loading 3D…

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