Hackberry portal › Forum › HACKberry › Updates of github › Upgrade of the finger joint strength This topic contains 0 replies, has 1 voice, and was last updated by Hiroshi Yamaura 4 years, 9 months ago. Viewing 1 post (of 1 total) Author Posts 2015-08-26 at 2:31 pm #328 Hiroshi YamauraKeymaster There was a problem of finger joint dislocation especially in index finger. It was because shaft holder was too short. Therefore, I upgraded the 3D data. These joints are stronger than ever. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.