magick

magick:
	For vertical stacking (top to bottom): (magick word could be omitted from start of command)
		magick convert -append 1.png 2.png out.png
		magick convert -append * out.png
	For horizontal stacking (left to right):
		magick convert +append 1.png 2.png out.png
		magick convert +append * out.png