This issue is part of the "regular" bi-monthly magazine (distinct from the annual Convention books). It typically features a mix of complex models for advanced folders and simpler models for beginners, along with crease patterns (CPs) and articles.
Every issue of Tanteidan usually revolves around a specific theme or showcases a few "hero" models that challenge the folder's skill. Issue 209 is no exception, featuring diagrams that push the boundaries of paper folding. origami tanteidan magazine 209 pdf top
According to details from JOAS and Origami Library , this issue includes: by Toshikazu Kawasaki (p. 4) Deep Sea Cube by Toshikazu Kawasaki (p. 6) Penguin by Nakamura Kosuke (p. 8) Succubus by Han Ji Woo (p. 26) Hina Doll 2019 by Kohe Kamei (p. 27) This issue is part of the "regular" bi-monthly