transformation matrix 1 Articles Letting [Euler] Help Out With PCB Fabrication. ... [Alessio] is able to calculate any offset required in the Gcode with the help of a little bit of linear algebra.

sepia_img = img.dot(sepia_matrix.T) Since sepia matrix rows do not have unit sums, once the full sepia image is constructed, we need to rescale the result. sepia_img /= sepia_img.max() then extend ...