This a Longwall Top Coal Caving Machine model that is used in coal mining operations. If you want this model's pistons to be activated like in the gif's, please contact my email (akgdesign3d@gmail.com).
Please note that the fill density of 10% is okay if you don't want to spend too many filaments or want this model to be very heavy.Any kind of material and 3d technology is okay, in the gif's, it is written in Creality CR 10s Pro FDM machine with eSun black PLA+ filament.