This spray trigger pump. It modeling in Solidworks 2018 with actual dimension. IGES, STL, and Solidworks file provided in the zip file. Both of zip file is consists of each individual part file. Which is, spring, cap, mounting, pump cup, ball valve, nozzle valve, inner nozzle, outer nozzle, body, cover, and straw. Only assembly file that provided for IGES file and Solidworks file. All dimension is base on an actual pump in the market. The attached STL file can be used for 3D printing. The neck fitting size is 28mm.