Koenig apparatus with six rods of different width ratios will produce different Lissajous figures when observed from above.
The ratios are as follows, clockwise from the yellow X: 4:5, 3:4, 2:3, 1:1, 1:2, 1:3
4:5
3:4
2:3
1:1
1:2
1:3
Location: E4-1