Support blank bale training

[DreierF]

Arrow count and blank bale would be a little bit different in my mind. 

I would like to plot my blank bale shots for grouping, tuning etc. I would see the blank bale option as 

1."select a shape of bale" with main options being square, round or rectangle.

2. "dimensions of bale" allowing people to add dimensions.

3. Possibly "color of bale" with options of white, black, natural, other.

Counting arrows would involve no plotting. And would cover those times when folks use totally unique targets. Or for those times when you don't have the time or option to plot your shots, take a picture etc. Coaching sessions come to mind, or some group practice lines. I don't always have the time to take a photo, do a plot, or it's discouraged on a fast line.