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Electric Vacuum Pen From Aquarium Air Pump.

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Step 28: Gluing In The Needle.

Picture of Gluing In The Needle.
When gluing in the needle try not to get any glue on the threading of the nose cone as we want it to be able to screw back on.
Slide the needle back and forth a little to make sure you get a good seal with the glue.
I found sticking the tip of the needle through the bottom of an upside down paper plate or cup is a good way to hold the needle and then set the nose cone upright over it to let the needle dry in place.
 
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