This tutorial Turn A Photo Into A Sketch For Making Coloring Books is for anyone who has Photoshop. I tried it out on some photos of flowers I have taken and with a bit of tinkering I was able to quickly produce a line drawing suitable for needlework.
So if you have Photoshop have a go – it’s a very useful technique.
I did have a go at this — I can’t quite figure out why it works, but somehow it does. I am sure it will come in handy often.