| LinkShape[l, r1, r2, w] is a Graphics3D primitive that draws link shape with llength r1 and r2 radius and w width. |
| LinkShape[l] is equivalent with LinkShape[l, |
| LinkShape[l, r] is equivalent with LinkShape[l, r, r, |
| LinkShape[l, r1, r2] is equivalent with LinkShape[l, r1, r2, |
| LinkShape[] is equivalent with |
| PolygonNumber | 10 | number of polygons used for the half circle roundin |