How do I choose triangulation direction for brushes?

Hey guys!

I need to change the diagonal line for my brush triangle, as the back faces will otherwise interest with the top faces as shown here.

http://puu.sh/al6kd/58762eb0d4.jpg

Thanks!

Solved it.

Select the line you want to change, then select ‘Turn’

http://puu.sh/al6Gh/44a1feb49a.jpg