An Origami Instruction LanguageJohn Smith · 1975 · British Origami Society - BOSBOS BookletsWhere to buySources:GiladOriWikiOrigamiLib📕 Suggest a coverModels in this book▦ Grid☰ Tablep. 29ButterflyJohn SmithModelDesignerPageDetailsDifficultyPhotosButterflyJohn Smith29Square