Delta magnetic effector and carriage with smaller ball holes

I am using Haydn Huntley's magnetic rods and ball studs with this effector and carriage (http://www.thingiverse.com/thing:299263). The mount holes were too big so i reduced the diameter to accept his ball studs.

Link for Haydn Huntley's mag rods and ball studs.
http://www.thingiverse.com/thing:299263