ashtray Free 3D print model

An Ashtray made by myself for 3d printing and molding process==>its ready for printing and no need for support==>after printing and polishing you can mold it with 1 piece silicone rubber==>dimensions are engineered and it gives a standard rubber output with concrete or polyester or even marble===>Dimension: 85*89*34\available files: stl, obj, amf, 3mf, fbx, max, sldprt