I made a few small tweaks so that the mohawk and other armor plates were thicker so they would print wider. I also added a bit if leg support to keep it rigid.
I recommend printing on it's back. Less material to remove*.
Want to learn how to play Battletech? Download "Alpha Strike" right from the Battletech website, it includes the core rules and print and play cutouts.
https://bg.battletech.com/wp-content/uploads/2017/05/AlphaStrikeQuick-Start-Rules.pdf?x64300
One of the stat sheet for this mech
http://www.masterunitlist.info/Unit/Details/520/centurion-cn9-d
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