0 circular through slot
1 circular through hole
2 circular blind hole
3 circular blind step
4 o-ring
5 rectangular passage
6 rectangular pocket
7 rectangular through slot
8 rectangular blind slot
9 rectangular blind step
10 rectangular through step
11 triangular through slot
12 triangular passage
13 triangular pocket
14 triangular blind step
15 6-sides passage
16 6-sides pocket
17 slanted through step
18 2-sides through step
19 circular end pocket
20 horizontal circular end blind slot
21 vertical circular end blind slot
22 fillet
23 chamfer