This model was created by Herman Van Goubergen and you can find the instructions and his own tips here. The pictures below were first posted on my old blog and Deviantart account.

Tips:

• The models below were folded on 5×5 cm origami paper. I recommend thick paper, like copy paper, for example. Thin ones do not work that well.
• These models were made using 12 modules, but you can also try and make it with 30 modules as well.
• You can use white glue or clear nail polish to work as varnish and make the models more stable and durable.

Curler Kusudama: Diagram and instructions: