KiKit_source.py

from kikit.common import findBoardBoundingBox

# This function should be provided by KiKit, but at the moment, it is not. I
# opened an issue for that: https://github.com/yaqwsx/KiKit/issues/283.
# Basically, panel.makeGrid should take the tolerance parameter, but it doesn't
# at the moment.
def locateBoard(inputFilename, tolerance):
    """
    Given a filename of the board, find the source are of it.
    """
    inputBoard = pcbnew.LoadBoard(inputFilename)
    return expandRect(findBoardBoundingBox(inputBoard), tolerance)
  
# And somewhere in the code:

substrates = panel.makeGrid(input,
        sourceArea=locateBoard(input, tolerance=1 * mm),
        rows=rows,
        cols=cols,
        destination=(100 * mm, 100 * mm),
        verSpace=0, horSpace=0, rotation=0)