This quick tutorial teaches the Fish Base step by step. You’ll pre-crease the sides, add guiding folds, and collapse both corners into matching rabbit-ear folds. The result is a slim diamond with two long points and two short ones—perfect for building classic origami fish and other sea-themed models.
Follow detailed visual guides with clear images showing each fold, crease, and technique to create beautiful origami models
Place the paper like a diamond. Bring the left edge to the center line, crease, and unfold. Repeat with the right edge and unfold. You now have two long guide creases.
Place the paper like a diamond. Bring the left edge to the center line, crease, and unfold. Repeat with the right edge and unfold. You now have two long guide creases.
Bring the upper left side toward the dashed guide that drops from the top point. Crease and unfold. Repeat on the upper right side. These marks will guide the rabbit-ear folds.
Bring the upper left side toward the dashed guide that drops from the top point. Crease and unfold. Repeat on the upper right side. These marks will guide the rabbit-ear folds.
Fold the top point down to the bottom point along the horizontal line. Press to make a clear crease, then unfold to reopen the diamond.
Fold the top point down to the bottom point along the horizontal line. Press to make a clear crease, then unfold to reopen the diamond.
Use the pre-creases to pinch the left side so the upper section swings downward and the lower section swings upward along the slanted guide. Let the layers meet and flatten to form a rabbit-ear on the left.
Use the pre-creases to pinch the left side so the upper section swings downward and the lower section swings upward along the slanted guide. Let the layers meet and flatten to form a rabbit-ear on the left.
Mirror the previous move on the right: swing the upper section downward and the lower section upward along the slanted guide. Flatten so both sides match.
Mirror the previous move on the right: swing the upper section downward and the lower section upward along the slanted guide. Flatten so both sides match.
Using the pre-creases, bring the left and right sides toward the center simultaneously. The two rabbit-ears lock into a slim diamond. Flatten well.
Using the pre-creases, bring the left and right sides toward the center simultaneously. The two rabbit-ears lock into a slim diamond. Flatten well.
You now have the Fish Base: a narrow diamond with two long points and two shorter flaps—ready for many fish and sea-creature models.
You now have the Fish Base: a narrow diamond with two long points and two shorter flaps—ready for many fish and sea-creature models.
Follow along with our detailed video tutorial to learn how to fold your origami. This step-by-step guide makes each fold easy to understand and fun to follow!
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