for VRM PhysBone to SpringBone Converter . Auto Link VRM ColliderGroups Links ColliderGroups and removes PhysBones. ※ Not perfect, but easy! 😊 [ Tools / Uqu Tools / VRM PhysB to SpringB ] # update 2025/07/31 v.0.2 fix error 2025/08/05 v.0.3 fix error 2025/08/08 v.0.4 add SpringBone optimizer tab