For the commenters who asked about machine washing and drying polymer clay buttons, you can if you use a strong brand of clay. Different clays are good for different things — Sculpey III is intended to be a kid’s clay, so it’s not as durable as the artist-grade clays. Try Premo, Fimo (not Fimo Soft), or Kato for the best results on a project like this.

It’s also extremely important to thoroughly bake the buttons, double-checking your oven temperature with an external thermometer. Most oven’s internal thermostats are a little off, and while 25-50 degrees may not make or break your casserole’s success, it will cause problems with baking clay. Clay cooked at too high of a temperature will burn, while clay cooked at too low of a temperature is more likely to be brittle and break.

i beleive sculpty has the same properties as femo,…

earlyer this year i was tired of buying buttons, since by the time i made the outfit i wanted a differnt colour and already paid an arm and a leg for the ones i bought, so i made my own 4 and 2 whole buttons out of femo. baked them, and used them on my nephews pj’s (he is 5) they lasted perhaps a month, then they swere breaking and falling off.

i am going to try again by putting wire in the butten to give it more stregnth to see if that helps. but the 9 whole idea is still great!