http://forum.xda-developers.com/showthread.php?t=429224
As far as i know it is a separate today plugin, so you should be able to have both on your device and not it mess up your tf3d files (you just can't run both at the same time, but i'm sure you knew that). I haven't tried it yet, but was thinking of installing it since I'm familiar with making my own skins for tf2d.