You need the 13 skinny rhombs too (preferably in an other color) to have a complete set. The tiles are 2mm thick and their edges have a length of 20mm.
The connecting rod is inteded to be cut off.
Results of my testprint in "Strong White and Flexible":
It comes as a wobbly snake and it takes one only five minutes to loosen the parts from the connecting rod.
still wating for the skinny rods
2.604 w x
1.892 d x
1.025 w x
0.745 d x