Old school Preshrunk readers will remember a feature we used to run called “This Old T-Shirt” for all the crafty people in the house. Now, I’m not quite sure if it’s a feature that’s going to make a full comeback or not — but I just came across this months old YouTube video on DIY silkscreening by the gang at Make and I thought I’d share. It’s something that can only really be considered a crash course at best — although it covers most of the basics — but I’m sure the adventurous among you are up for a little trial and error…