With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
How has this oven been holding up since you made it? Concrete isn't really made to be heated as it always contains water and when this water expands under the heat it stresses the concrete. My bet is the oven has slowly started to crack and fall apart over time.
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.