for a while now i have been trying to make a basic square bot frame. however no matter what i do it seems the measurements of the channels are just a tiny bit off. between the channels and the L angles they are even farther off. in most cases this does not cause that big of a problem. however as you begin to model it, the program begins to get confused. it sticks the channels on backwards usually. is there something i'm missing? or are the measurements really off? if so, will they be fixed? if anyone else has had this problem, have you found a solution?