Reduce marker size on print

Hi,
I found that when printing the marker, one always gets it to big.

Old:
![actual](https://cloud.githubusercontent.com/assets/3306154/3386425/60ad233c-fc74-11e3-8ff8-5c557f25f92f.png)

New:
![new](https://cloud.githubusercontent.com/assets/3306154/3386442/87f8d45e-fc74-11e3-8dc5-cdea29203051.png)

Please test and let me know.