Big Corgette is a 315mm true X freestyle frame for 6" or 7" props, with a 5mm baseplate and a 2mm top plate. It utilizes the same nosecone and antenna mount as the standard Corgette, and those files are here if you want to print them yourself.
Motor soft mount/arm guard file is here.
Standoffs are 20mm, and there's room for two stacks. The Session mount is at 30 degrees, there are click stops for the fpv cam at 25, 40, and 55 degrees.