You can see a bit of the William Morris at the bottom of this picture. For a while he was up there with these fussy-cut Transformers stars. I had to get him down. Quickly.
Now I can concentrate on these stars. Not exactly sure what the big plan is, but the test block (the green one) came out OK. So at least I know what the block will be. I decided I didn't want to make the stars different sizes, so figured out what size could be used for cutting Megatron, Bumblebee, Optimus Prime and Barricade out of this fabric I found online. Quality is crap, but there wasn't much choice of Transformers fabric on the world wide web. I bought the only yard and a half I could find. Hope my nephew still likes them by the time this is done! 
I didn't want to make sawtooth stars. Too boring. And I might need to make 20 of these. Or more. To help keep my interest that long I switched up the proportions on the star points and then drew out the pieces to exact size so I could make freezer paper templates and start cutting this at night. We have a no-math-after-dark rule in this house and several cautionary tales to accompany it. Because I wasn't reading numbers on the ruler, I felt I could bend the house rule against rotary cutting after dark. The only tricky bit is lining up the odd angles so that the points meet where all four pieces come together. I think I'll cut quite a few (during the day today -- not going to press my luck) and then piece them all at once. After a few I should be able to eyeball the placement and it will go quickly, and I need to make room on the wall for some ideas backing up in my head.