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Step 1: Making the pen step 1
Step 2: Making the pen step 2
Step 3: Making the pen step 1
Now simply tape the screw, bearing and battery together leaving only the batteries positive side exposed.
The ball bearing allows the battery to rotate and remain flush with the touchpad whilst in use
I have taped over the screws thread to make it more comfortable to hold
Step 4: Using the pen
HOPE YOU ENJOY!