This modular ball was made for my friend’s birthday. Consists of 30 units, paper size 7,5x7,5cm. Very easy to fold and is joined without glue. Aproximatly 15 cm in diametr.
You can find here the diagram and here the video instruction.
No name - Tomoaki Yano has added a photo to the pool: [image: No name]
2 days ago