MakerBot Note :

The heated build platform kit as it ships is incomplete. The way they suggest hooking it up to the extruder board will not work. To complete the kit, you either need to procure a heat-sink setup for the power mosfets on the extruder board, or a relay to take the load off the extruder mosfet. I used a relay.

They recommend insulating a part of the wire with heat shrink tubing, but I didn't see any heat shrink tubing in my kit. I could just have missed it though.. unclear.

Other surprises may include : you need to do some surface mount soldering. The instructions recommend solder paste, but it is possible to do this with a normal soldering iron if you are careful.

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