Bearing: C size (JAM Larger Sutra)
Response: YYR ring
Materials / output method: Nylon / 3DDMM
This yoyo is produced using the 3D printer, I saw this hanging on Shunsuke Kawakami's bag and was wondering if it's a yo-yo, it was a looping version, and then after AP saw this surface on Facebook, so I've been interested in it since.
More info can be found at Hideki Touhou's blog.