Simple to use DIY composite resin stain guide. Just orientate with bottom (flat surface) directly against the build plate.
Bottom row of 4 are for your A, B, C and D shade modifiers.
Use a clear resin to print with - I've used Keysplint Hard on the Asiga Max UV using an UltraGLOSS tray.
The author marked this model as their own original creation.