I’m a big fan of the magazine Scroll saw woodworking & crafts and I read it with interest every time. Especially the many patterns included in the magazine makes it a useful resource. Here I found a fretwork trivet pattern in Scroll Saw Woodworking & Crafts Spring 2013 (Issue 50) and made it on my scroll saw.
It’s made from plain pine wood – nothing exotic about it. Here are some photos: