Establish ModLoader 1.2.5
Files from BetterStairs v1.3.5 [1.2.5] moved to .minecraft / mods
This small Mod adds no power and is not a subject, and the form of steps "angular".
What would make such a step is necessary to put the block where you want the angular step (Note: the unit must be of the same as that of the step).
If you do not see clearly video!