Thorn (CFW 86)

Instructions for this model can be found in Shuzo Fujimoto’s books:

• Twist Origami I, page 6 (marked “No 3”, just base twist, finished model, and some hints)
• Invitation to Creative Playing with Origami, page 101 (marked “3”, just base twist and finished model)
• Solid Origami, page 112 (model 3, base twist, image of finished model, and some text)