The file 'Wasp Costume Back Piece Split 3D Printer Model' is (dxf,stl) file type, size is 2.5MB.
A few years ago I modified the Wasp back armor to split it into two pieces so I could attach wings. I did this in a hurry and with what was probably not the ideal software so it is not perfect, but it works.
I adjusted the back piece to fit my back which I think involved making it taller and narrower. If it helps with sizing I measured the final result and the main piece is around 38cm in height (w/o shoulder pieces) and about 28cm at the widest point.
I also adjusted the size and curve of the pieces that go over the shoulders. Since they were printed separate and I was in a hurry they were just attached to the main piece with tape and a strip of aluminum. I didn't need the shoulders to be functional supports as I attached the main back piece to my actual costume with velcro. The wings were cut/engraved out of acrylic with a local maker-space's laser cutter.
Note: I included the main back piece split in two and whole but I only used the split version. This is from several years ago and I have many files with minor differences so these files may not be exactly the ones I printed, but they were the most recent files I have and looked correct.
LargeWingSetDesign1.dxf | 107.5KB | |
LeftShoulder_adjusted.stl | 504.4KB | |
RightShoulder_adjusted.stl | 504.0KB | |
SmallWingSetDesign1.dxf | 108.6KB | |
WaspBack.stl | 1.7MB | |
WaspBackBotttom_New.stl | 1.2MB | |
WaspBackTop_New.stl | 661.8KB | |
WaspUpperBack_New.stl | 1.1MB |