Thanks to Buhjaboy for lever https://www.pixelpapercraft.com/papercraft/53a97d37a12138d539000059/mechanically-opening-chest-(standard)
and this design has both sticky and regular piston on 1 page
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.