Grasshopper (Issei Yoshino)

Issei Yoshino's Grasshopper is famously constructed using a modified frog base, also known as a stretched bird base. This specific foundational structure allows the paper to be distributed efficiently to create the insect's long, powerful hind legs. The design is celebrated for its realistic, dynamic posture.

Yes, the Grasshopper is considered an advanced model that poses a significant challenge even to experienced folders. It involves complex manipulation of the paper to form the delicate antennae and the muscular legs without collapsing the structure. The model is frequently featured in advanced origami literature as a test of skill.

Diagrams for this specific Grasshopper model can be found in Issei Yoshino's prominent origami books, which have been compiled and translated in various international origami societies. It is also widely taught in advanced origami workshops. Many video tutorials demonstrating the complex sequence are available on platforms like YouTube.

Yoshino's design is highly praised for its anatomical accuracy and the dynamic, lifelike tension captured in the paper. Unlike flatter, more traditional models, this grasshopper appears ready to leap off the table due to its masterful weight distribution. The way Yoshino utilized a traditional base to create such a complex insect was highly innovative.