just ♥ RecursiveDrawing.com
Watch the intro video to see how it works and play for hours… ;) Recursive Drawing.
PdfShuffler, a great little tool to slice those big posters
If you just have access to a A4 printer but want to print a large poster, this little tool is quick, easy and gets the job done. This tool can also be used to merge documents, rearrange or delete pages,… (And yes, it’s in Ubuntu’s repos :) )