These décor details will be perfect for industrial styled weddings, just gather the supplies and begin creating! It will be fun! The supplies are Quikrete concrete mix, cardboard boxes, duct tape, other bottles of various shapes, X-acto knife, tarp or plastic sheet, large bucket (for mixing concrete in) and mixing stick. Start by cutting your bottles in half with an x-acto knife. Then trace out your shapes/3D figures on the cardboard and tape together with duct tape to hold together. Leave an opening in your cardboard shape for concrete to be poured in. Next lay out your tarp to keep concrete from getting on anything in your workspace. Now mix your concrete as per instructions on the bag. Next steps of the instruction are here.