One of my Bday gift got here and somewhat modded

[lutach]

Originally Posted by sikeston34m

If Castle could insulate the outside of the power cups with some sort of shrink, it would help center the heat sink more precisely during the assembly process.

Your heat sink is hugging the cups on the motor side, where mine is hugging them on the power side.

They could 've used some sort of fiberglass insulation.