These upgrades and modifications may be required in order to ensure proper prints and long life. drive sys http://www.thingiverse.com/thing:7113
hbp leveling http://www.thingiverse.com/thing:13778
These upgrades and modifications are optional and may offer an improved experience for the advanced user.
follower Better X Axis Movement
steel belt http://www.thingiverse.com/thing:9127
linear bearings http://www.thingiverse.com/thing:9420
spool holder http://www.thingiverse.com/thing:7105