origami frog

This origami frog is an intermediate-advanced level project and should take the experienced paper folder ten minutes or more to complete. Follow the directions carefully and move on to the next step only when all prior steps have been correctly completed. To begin, you’ll need a square of paper, a ruler, pencil, and a suitable surface upon which to fold.

Practice folding your frog with any paper you have on hand. Start out with a plain, white copy paper (or similar) first and then move on to special patterned or colored paper. Any paper you choose should be heavier in weight than the average sheet of notebook paper.

Make sure that your work surface is stable, hard, and flat. The appropriate surface will allow you to make the accurate folds and sharp crease needed for the successful completion of your model. Run a ruler or pencil edge over each crease as you work for even sharper creases.

  1. Position a square of paper on your work surface so that its points are facing up and down, left and right.
  2. Bring the left point over to meet the right point. Crease and unfold.
  3. Bring the top point down to meet the bottom point. Crease and unfold. Turn the paper over.
  4. Position the square so that the edges are now facing up and down, left and right.
  5. Bring the left edge over to meet the right edge. Crease and unfold. Bring the top edge down to meet the bottom edge. Crease and leave folded. You should now have a rectangular-shaped model.
  6. Grasp the model at its left and right edges and push inward. It should collapse along the pre-existing folds. The result will be a diamond shape that has one folded flap sticking out toward the back of the model and another sticking out toward the front.
  7. Bring the front flap back to meet the left point of the diamond and bring the back flap up to meet the right point. Make sure all of the creases are as sharp as possible and that your model lies as flat as possible. Position the model so that the open end is pointing toward you.
  8. Bring the lower right edge of the model (top layer only) up to meet the vertical center crease line. Crease and unfold. Bring the lower right edge backward along the same crease line. Crease and unfold. Open up the lower right edge of the model.
  9. Push the right point of the model (top layer only) in towards the center. The right half of the model should collapse along the crease lines made in Step 8 to form an upside-down kite shape at the center of the model. Press flat. Open up the kite shape a bit.
  10. Push the left point of the kite shape in toward the center of the model, underneath its upper flap, so that the lower-left edge of kite shape comes to lie along the model’s vertical center. Crease and leave folded. Repeat for the right side of the kite shape. As a result, the kite shape will be transformed into a long diamond shape. A triangular flap will point downward at the center of the diamond.
  11. Bring the triangular flap up toward the top of the model and press flat.
  12. Turn the model over and repeat Steps 8-11.
  13. Fold the diamond shape in half, lengthwise, from right to left. Press flat.
  14. Repeat Steps 8-11.
  15. Turn the model over and repeat Steps 13-14.
  16. Locate the triangular flap at the top of the model and use a ruler and pencil to divide this flap into three equal horizontal sections. You will draw a total of two horizontal lines.
  17. Bring the tip of the triangular flap down to meet the first drawn line. Crease and leave folded.
  18. Bring the top edge of the flap down again to meet the second drawn line. Crease and leave folded.
  19. Bring the top edge of the flap down again to meet the base of the flap. Crease and leave folded.
  20. Turn the model over and repeat Steps 16-19.
  21. Bring the right point of the model (include two layers of the model in this fold) over to meet the left point. Press flat.
  22. Repeat Steps 16-19.
  23. Turn the model over and repeat Steps 21-22.
  24. Bring the right point of the model (top layer only) over to meet the left point. Press flat.
  25. Turn the model over and repeat Step 24. Both sides of the model should now have smooth surfaces.
  26. Bring the lower-left edge of the model over to meet the vertical center crease line. Crease and leave folded. Repeat for the lower right edge.
  27. Turn the model over and repeat Step 26.
  28. Rotate the model’s layers until both sides once again have smooth surfaces.
  29. Repeat Steps 26-27.
  30. Bring the right point of the model (top layer only) over to meet the left point. Press flat.
  31. Turn the model over and repeat Step 30.
  32. Hold the model secure at its center and push the left leg (top layer only) out to the left. Push the leg upward until it flattens out and comes up to lie against the model’s left edge. Reverse the leg’s crease so that the leg now juts out from between the model’s layers. Pinch to keep in place. Repeat for the right side.
  33. Turn the model over and repeat for the remaining left and right legs with one exception – each of these legs should point straight out and not up.
  34. Hold the lower left leg at its base and push down on the upper edge until the leg flattens out and points straight down. Reverse the crease of this portion of the leg and pinch in place to form the knee. Repeat for the lower right leg.
  35. Hold on to the knee portion of the lower left leg and push the very tip upward until it flattens out and points straight out to the left. Reverse the crease of this portion of the leg and pinch in place to form the foot. Repeat for the lower right leg. Turn the model over.
  36. Hold the upper left leg of the frog at its midpoint and push down at the tip until the leg flattens out and points straight out to the left. Reverse the crease of the tip of the leg to form afoot. Repeat for the upper right leg.
  37. Blow into the open end of the model to inflate the frog.

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