Christmas decoration angle print both angle files and glue the wings on the body. you can also use a 3d-pen to fuse it together. printer settings: simplify use the single outline corkscrew option for the Christmas decoration angle file. or set outlines / shells on 2 for all other files  no infill no support turn the files so that you can print a bottom and no top. now you can print the hollow versions and assemble it together