Some time ago, I was starting off with a more serious approach to sculpting (Rather than just doing bits for conversions.)
And my models were terrible - often still are due to lack of focus.
But I kept looked out for info and help on things, and found a few good PDFs for my effort. Most often I found the good ones disappeared not too long after I spotted them..
Well it turns out, I had saved a few.
So, in case you fancy trying the putty, I'll upload them here.
*Discovers the coolest one is too large..* Dang