View source for Glowing Marker

Mini Maglite flashlight is recommended for calibration. This is a very common flashlight in US and many other countries. Removing flashlight reflector converts it into an ideal glowing marker easily detectable by motion capture software.
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If you cannot get a Mini Maglite, you can use some other similar flashlight. 
[[Image:Noname_flashlight.jpg|center|250px]]