Step 1: Materials
Sharpe Marked; Chisel Tip Permanent Marker
Use any size for your USB Drive.
Step 2: Let's get started.
Step 3: Building the USB pen.
Yes, there is room in the pen to hold more stuff. (Papers, money, paper clips.....)
You can cut a hole for the LED light to shine through. The one in the picture there is a hole, but the camera was my old phone 1.3 MB pixels.