PSTOPDF=ruby /usr/share/texmf/scripts/context/ruby/pstopdf.rb
laser000.pdf: laser000.ps
	$(PSTOPDF) $< $@  # I think pstopdf comes from the package `context`, but ps2pdf doesn’t work with weird paper sizes
laser000.dxf: laser000.ps
	pstoedit -f dxf $< $@