Shape and size for 12 in. at 90 degrees 
Shape and size for 24 in. at 90 degrees  
Shape and size for 36 in. at 90 degrees  
Shape and size for 48 in. at 90 degrees  
Shape and size for 12 in. on gentle hill  
Shape and size for 24 in. on gentle hill  
Shape and size for 36 in. on gentle hill  
Shape and size for 48 in. on gentle hill  
Shape and size for 12 in. on steep hill  
Shape and size for 24 in. on steep hill  
Shape and size for 36 in. on steep hill  
Shape and size for 48 in. on steep hill  
Shape & size for 12 in. on cement/wood  
Shape & size for 24 in. on cement/wood  
Shape & size for 36 in. on cement/wood  
Shape & size for 48 in. on cement/wood