You could print this file by clicking the print dots label you see at the bottom of the page. The dot grid is 21-11, interlaced style (idukku pulli).
printable dots
Here are the kolams and rangolis in this page:
- 21-11 dot grid
- 9 - 5 Interlaced
- 11 - 6 Interlaced
- 8 x 8
- 5 - 1
- 9 - 1
- 7 - 1
- 9 x 9
- 15 - 1
- 12 - 1