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!
Hi I've just got some fibreglass molds and I'm wondering what to use to get the concrete out once set and do you submerge the whole thing or just concrete once out of mild. Thanks lee
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.