How do you do this effect? Are there moulds for this? I can't find anything online. Also, for those who have done this..would this stand up for a dummy cake for a Bridal Faire?
You can use a common ice tray. Just make it shallow. It should hold up fine on a dummy cake at a bridal show.
The Wilton Silcone Brownie pan are in squares.
If you are using poured sugar you want to make sure you are using something that can with stand the high heat of the sugar. Plastic trays aren't always made for high heat items.
I just made some this week for a beach-themed tier of a Sweet 16 cake, in shades of ocean colors. I just used the Wilton Silicone Brownie Bites pan. They were really easy to make once I got the hang of it. ...I agree that it would have melted an ice cube tray. The tiles themselves should be fine for a dummy cake I'd think.
This link has a neat mold for tiles as well as a cake done with them.
I'm gonna have to go get a brownie pan! And to think I thought they were a waste of money! LOL! I have found some silicon mats as well but can't afford those quite yet..the brownie pan will work very well!