About this 3D model

Version V1 is prone to aging and cracking with long-term use; Version V2 has a redesigned X1C filter box, which is printed as a single piece. This version requires no additional tools and features thicker, more robust walls and a better load-bearing structure. V1版本长时间使用容易老化出现裂缝； V2版本重新设计了X1C滤盒，此版本为一体打印，不需要额外的工具，并且有更牢固的壁厚和更好的受力结构。