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Review on πŸ”₯ Alphacool 17426 GPU RAM Copper Heatsinks - 10x10mm (10pcs) | Passive Coolers for Efficient Air Cooling by Ashwin Chauhan

Revainrating 4 out of 5

Ideal for 3D printer stepper ICs with TMC2209 thermal/plated vias

I soldered a 10mm copper heatsink over the copper plated vias on the TMC2209's stepped handle. Butane torch and tweezers. The fins can be fanned out by using a knife blade and bending the fins outward. I secured the IC with silicon so the chip wouldn't accidentally fall off the board lol.

Pros
  • Availability
Cons
  • No mold required