How to make a dinosaur skeleton? You can see large dinosaur models at some commercial exhibitions, and perform various actions with deafening roar
When making, first use steel such as channel steel square tube and square tube to cut the supporting steel skeleton of the model according to the design drawing. Then welding according to the pose of the dinosaur model. If the motor part needs to be welded to form a movable joint, the parts without movement are directly welded to a fixed structure.
If a large dinosaur model wants to become dynamic and has a power output, it is usually a motor drive or a cylinder. The motor can use a DC brush motor or a stepper motor. Generally, the air cylinder can be a linear air cylinder.