Engine exhaust for RC planes

There are 3 options to choose from. One of them is a strong and large version which is simply designed to print with 2 walls but will add a bit more weight than the other two. Then the light weight version. Both of these are to be put inside the foam slot. While the flat version is bendable since it only has 0.5mm base - this allows the part to be glued to parts where they are curved.

Print with single wall at 215C and no infill, no support needed either. I designed this specifically to put it on the FRC lancaster scratch built plane.