Hi What is the best way to build this engine from TexShop #!/bin/tcsh set path= ($path /usr/texbin /usr/local/bin) set filename = "$1" set asyname = "${filename:r}.asy" pdflatex -synctex=1 "$filename" asy -v "$asyname" pdflatex -synctex=1 "$filename" Best regards Alain Matthes