About this 3D model

(If you shrink the size, keep “z” at 100. It will be too thin if you don't) Load black, dark gray, lite gray, and white into ams. If you don't have ams, see below. Swap Instructions: Start with Black At layer #7 (0.64mm) swap to Dark Gray At layer #12 (1.04mm) swap to Lite Gray At layer #18 (1.52mm) swap to White for the rest.