They seemed to work well enough overseas that the concept was proven so I wanted enough ollas to be able to install four to six, staggered throughout each of my veggie patches. The problem is that I could not find an unglazed pot that looked anything like I wanted, so I decided that I would to make my own. They worked reasonably well but the genuine olla, because of its shape, would take up less space at the surface and provide a greater area moist water exchange area under the ground. Last summer I bought some thin walled clay plant pots and turned them into ollas to keep one of the veggie beds watered. The theory goes that the water then travelled through the unglazed terracotta slowly and into the soil, keeping the growing plants well irrigated. These pitchers were round bellied pots with a short neck and they were buried up to their lip in the soil and then filled with water and covered. In dry parts of the world such as North Africa or Sri Lanka (where they are called “Ollas”) they have used unglazed terra cotta pots to irrigate their crops, the so-called pitcher irrigation. Make seashell castings to decorate this trinket boxĬopyright: Please read this Copyright Information about using the images of this website.Last Updated on Tuesday, 29 March 2016 10:37 Once painted and dry, use clear acrylic sealer on them to protect them from moisture and to give them a nice glossy look.Ĭreate castings to make the leaf decoration for this antique flower potĬlick here for a larger image and supply list to make this project. Water color paint works also well but the color is not as intense. The next day they will be ready to use or to paint on.ĩ. To dry the pieces completely, lay them on a cake or cookie rack or even better. Then use your fingers and smooth around the edges until you are satisfied with the look of it.Ĩ. First use a craft knife to get rid of the excess plaster. Once you have the piece out, it is firm but still soft enough to smooth the excess plaster off of the edges. It may not be so easy at the beginning so you may have to work at it.Ħ.and slowly the piece will come out.ħ. Once the pieces are dry, carefully pop them out of the forms. Try to avoid that plaster goes down the drain. In the meantime, while the pieces are drying, use paper towels and clean out the bowl and the mixing spoon. When firm, they can be carefully removed from the mold.Ĥ. You can feel the back of the castings if they are firm or not. Depending on how warm your room is, let the castings dry between 30 minutes to one hour. Tap the molds often to make the air bubbles come to the backside of the pieces.ģ. Use the mixture immediately and spoon it into the candy molds or plastic molds. Experiment for the results you are satisfied with. Our experience is the more watery the mixture is, the longer it will take to dry, but the pieces will also be lighter in weight once dry. It should be still liquid enough to flow off of the spoon without additional help. Slowly add the powder to the water and stir well.Ģ. This particular brand uses 2 parts plaster powder to 1 part water. Follow the manufacturer’s instructions for the amount of water and plaster powder you will need. Step 9 takes you one step further and adds color to the castings.ġ. Steps 1 - 8 show you how to prepare the castings. You need a measuring cup, a rubber bowl, a spoon to mix, paper towels, plaster powder, water and candy molds or casting molds. Illustrated Craft Tutorial - How to use Molds to Make Plaster of Paris Castings Free Craft Instructions! Make Plaster of Paris castings
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