grabcad
It is steam engine project. Fuel in this machine can be for example spirit. In the middle floor we must pour some water. How it works? When first piston go up ,second piston go down and closes supply of steam.
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This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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