Spider UFO

Physical setup & coordinate system

 Node 3 --------------------- 0 --------------------- Node 2
    |                         |                          |
    |                                                    |
 frame_dy                     |                          |
    |                                                    |
    |                         |                          |
    0 - - - - - - - - - - - - * 0/0/0  - - - - - - - - - 0
    |                         |                          |
    |                                                    |
 frame_dy                     |                          |
    |                                                    |
    |                         |                          |
 Node 0 ----- frame_dx ------ 0 ----- frame_dx ------ Node 1   

// frame dimensions, x and y are doubled, 0 is the frame center // z represents the height, positive up. 0 is x/y plane

Simulation

with Processing 3.xx

Screenshot:

Movie: https://hackerspace-ffm.de/wiki/images/Spider_UFO.wmv