A pretty little Folland Gnat...
I spent a bit of time away from the monstrous wing and tail prints for the Victor (all done now ready to assemble!) and decided to investigate how to print from a fileset specifically stated: "Model is not 3D printable"
Printed parts are hollow and dimensions are very good overall. Much work to do in figuring out the various 'accessory' bits, but they are all there in the fileset as myriad individual pieces. The cockpit design alone is made up of well over 200 tiny pieces that have no 'solid' body that will print - apparently! 😜