How to make a paper catamaran (double boat)
Paper Catamaran (Double Boat): try all 9 steps in the 3D player. Turn and replay every move. Print the complete diagram sheet or save it as PDF.
The traditional catamaran: two connected paper hulls, pictured in 1832. The finished model opens into two connected parallel hulls.
- You need
- One square of origami paper. No glue or scissors.
- Start
- Start white side up, with an edge at the top. The hulls will show color outside and white inside.
- Tips
- Keep both gates on the middle seam.
- Crease and reopen each end without disturbing the gates.
Your model is ready
Your double boat is open, with two connected hulls and pointed ends.
Step-by-step diagrams
- 1
Mark the middle
Fold the right edge to the left edge, press, and open.
- 2
Fold the left gate
Bring the left edge to the middle crease.
- 3
Fold the right gate
Bring the right edge in to meet it. Keep both gates closed.
- 4
Prepare the upper end
Fold the top edge down to the middle of the strip, press, and open that end again.
- 5
Prepare the lower end
Fold the bottom edge up to the middle of the strip, press, and open it again.
- 6
Spread the lower end
Draw the two corners inside the lower end sideways. Lower their shared rear panel along the end guide and press both pockets into one broad trapezoid. Keep the middle of the strip flat.
- 7
Spread the upper end
Draw the two corners inside the upper end sideways. Lower their shared rear panel along the end guide and press both pockets into one broad trapezoid. Keep the middle of the strip flat.
- 8
Bring the hulls together
Fold the upper trapezoid behind the lower one along the middle line, keeping their two long rims together.
- 9
Open both hulls
Part the two hull pockets and press their end creases as the sides rise. Keep the middle join together.
- ✓
Finish
Your double boat is open, with two connected hulls and pointed ends.
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