For those aiming for Centurion (or just looking to be more screen accurate) and have gaps in the lower thigh ridges, the usual way to fill them was ABS paste.  That method (although tried and true) can take quite a bit of time, uses acetone and has be sanded down and polished afterward.   Below is an alternative that should take less than 15 minutes and is super easy using a moldable epoxy called SUGRU (info. at bottom of this post).  It is permanent, flexible, keeps it's color, will a