for cooling soldering iron...
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Step 1: Take One Container Box and Casing Caping
cut the casing caping 30cm ..and cut the container box as photo...
Step 2: Take the Mobile Charger and Break It.
break it and take out the circuit.
insulate the circuit for safety..
Step 3: Take the Casing Caping..
take the casing caping and create hole in size of motor. and fix the motor..
Step 4: Take the Container
take the container box and fix the circuit.. make the hole in container box for wire. and cut it for switch.
Step 5: Then
take the casing caping and tuck it into the hole. and join any type of Wight for Balance..