DIY 3d-printed tsuba repair by Christoffer Björkskog | Sep 16, 2016 | For the kids, Repairs | 0 comments My son has a plastic ninja sword. It’s hand guard (called Tsuba on a Katana) broke. Designed and 3d-printed a replacement. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.