The file 'Blast Crater Terrain 3D Printer Model' is (stl) file type, size is 2.4MB.
I wanted some crater terrain and you can't buy GWs anymore so I decided to create my own with a mix of a scan of a meteor crater and the side walls sloping off from another set of craters on thingiverse, all mashed together in Meshmixer until I was mostly happy then simplified a bit to get the file size down and run through Netfabb to make sure it's manifold. I've printed it at a bunch of sizes and some mirrored for variety.
Crater_Remix.stl | 4.8MB |