Inventory lists 3 m6 nuts but the directions only mention two of them. If I assemble it this way and tighten the M6 bolt, the pulley binds. I assume I'm suppose to put two M6 nuts between the X stage and the small pulley? Also, there's 3 m6 washers in the same baggie that are not mentioned.
Cupcake X Stage Assembly / Discussion
This is the discussion related to the wiki page Cupcake X Stage Assembly.