material-maker/addons/material_maker/nodes/edge_detect_1.mmg

{"convolution_params":{"name":"Edge detect 1","input_type":"rgb","matrix":[[-1,-1,-1],[-1,8,-1],[-1,-1,-1]],"output_type":"rgb","x":1,"y":1},"name":"edge_detect","node_position":{"x":0,"y":0},"parameters":{"size":10},"type":"convolution"}