Quote Originally Posted by BakerEvan View Post
Can someone explain to me what the major differences between the One Up and Two Up are?
The only difference is size. This is reflected in the bed size: 100x100 ==> 175x175, and is accomplished by having longer x and y rods, toothed belts, and a bigger actual bed.

Everything else is the same: same motors, same hot end, same firmware, etc.

David