He is so small!!!

- A finger based on pistons ... and I need 7 more of these !!!

finger consists of:
- 7 tiny simple riveted joints each
- 2 rods - fixed at the bottom of the finger.
- 2 pistons - fixed at the top of the finger.
- The ring is the basis for the joint of the brush, to it are the same and glue the mini-joints.
- And all this is sealed with double paper.

The principle is simple: “Insert a tube less in a large tube” - everything is simple. I took a paper clip suitable for the maximum size of the part (you can choose anything, if only it would help in the manufacture of the part), and under it a thin pin and twisted the tubes (axes) on them. If the part is too thin, simply wind up a little more paper to the desired condition.

Of course, I will not leave everything in that form.