24v 300w heated bed 400x200, for 3Drag Big.

24v 300w heated bed 400x200, for 3drag big.
Use the aluminum plate supplied with the 3drag,
degrease and cover the lower part with the kapton tape
Take 2 pieces of about 3 meters of 0.5 mm steel wire in diameter, check that 3 meters give 4 ohm resistance.
Place the wire with ribbon pieces and create a serpentine.
Cover all the coil with abundant silicone or temperature resistant polyurethane sealant.
Connect the two coils in parallel at 24V (2x4ohm in parallel=2ohm @ 24V = 288w).
Easily r