It reminds me on some older military aircraft but I can not remember which one.I did not used image references,but I have huge visual library in my memory.So details are the mix of well known aircrafts>

There are 5 solid objects watertight as you can see on my sreenshot image where you can see parts too which you have to glue.

length: 24.43 cmwidth : 17.77 cmheight : 6.66 cm

Happy 3d printing :)