The file 'Inline 2 Print-in-Place 3D Printer Model' is (stl) file type, size is 26.6KB.
i've gone ahead and removed 2 pistons to make an inline 2 variant (in Blender)
i recomend 0.2 mm layerheight with a 0.4 nozzle (others might work too)
excuse my english i know it's not the best...
inline_2_pip.stl | 125.4KB |