Tamiya Neo Fighter Custom Spoiler no supports

Designed like it came to my mind and to fit on my small Prima Creator printer. Therefore this Spoiler is a bit smaller than the original one (114mm wide). EDIT: New, wider version 141mm available.
Absolutely no supports needed - plug and play.
I also made three types of this thing:

1. For original fixation using the 3mm tamiya screws,

2. No holes for drilling by yourself (you may also scale this one to make is wider and screw afterwards since the fixation holes are 30mm apart)

3. My