The fastest and most robust way I know of plastic miniatures conversion is to use a soldering iron. Well, it is not very precise, but is very useful to create not-uniformed hordes. I use a cheap stationary electric electronic soldering iron (pen-like). Glue sometimes fall apart, even pinned, weld never.(...) More at my blog: http://umpapas.blogspot.com
Part 1, Italieri, Waterloo and RedBox Muslims:
http://umpapas.blogspot.com/2015/09/con ... astic.html
Part 2, HaT Indian Colonial Infantry XIX:
http://umpapas.blogspot.com/2015/10/par ... astic.html
Hope You like it!