A Template Library is a binder of clear plastic sheets with the pattern of a mold traced on each sheet. Why would you even want one? Well, I’m glad you asked.
Start with some texture tile molds:
And some transparencies:
Put a transparency on a mold and trace the pattern with a marker:
Now, once I have this, I can use it with my light box and dark glass to add paint swirls that will match the swirls on the mold:
Here’s what the template looks like through that dark glass with backlighting:
And here’s what it looks like after I’ve added paint to the swirls:
Here’s what it will look like on the mold:
And here it is fired. Some of my swirls are a little wonky, but practice makes perfect!