Explanation : Catapult was reduced to model a small board game. The inteity can be adjusted in three steps. The projectile can be placed on a catapult and fired for various purposes. You can also download this file from the link : Many other 3Dprinting files are in the "3DSangSangPortal". (3D想象门户网站) Everyone please come and download. :) All files are : 描述: 缩小角色点阵,打造成小棋牌游戏。可以将世纪调节调整调整到三个阶段。发射体放在投石机上发射,可以多样地使用。 此资料可在以下链接下载。 除此之外,很多3D打印资料都在“3D想象门户网站”上。 谁来下载吧:)都是安全的文件。