This is a redraw from a picture I did in 2012 which can be seem here http://l0st-mutt.deviantart.com/art/Cat-301954216
I think I improved x,D

This design is nasty though x,D
I might as well show a Fursona timeline here
1st
http://l0st-mutt.deviantart.com/art/First-Design-301972873
2nd
http://l0st-mutt.deviantart.com/art/ashfur933-300077499 (The on in the middle)
3rd
http://l0st-mutt.deviantart.com/art/Cat-reference-sheet-303368582
4th
http://l0st-mutt.deviantart.com/art/Cat-reference-sheet-303590712
5th
http://l0st-mutt.deviantart.com/art/Cat-306310510
6th
http://l0st-mutt.deviantart.com/art/Mari-Ref-375528484
And Now
http://captain-amarica.deviantart.com/art/Official-Mari-Reference-Sheet-2014-448519526

So there we have it x3