| This is a fast, easy way to make some free | | | | your rock with the side you want to copy facing |
| molds for concrete, hypertufa, plaster, etc. | | | | up. Paint the rock with Acetone and VERY quickly |
| First decide what you want to copy. It must be | | | | place it on the foam. When it has sunk in an inch |
| something that can be painted with Acetone | | | | or two pull it out. |
| without melting. An example would be a brick or | | | | Wait a while for the foam to harden up, and |
| rock. | | | | there is your mold!! |
| Now get some of that blue or pink rigid foam | | | | Paint on some mold release (also known as 10w |
| insulation. You should try to get the 2 inch thick | | | | engine oil). Try not to have any puddles; they will |
| stuff if you want your mold to last. To begin just | | | | cause holes in the concrete. |
| get whatever you can. Sometimes you can pick | | | | You may have to play with this a bit to get the |
| up a couple of scraps at construction sites for | | | | feel of painting and sinking your rock, but it |
| free. | | | | works!! |
| Clean your rock and be sure it is dry. This is | | | | Copyright © 2005 Delmar Germyn. All rights |
| important; water and acetone do not mix! | | | | reserved. |
| Put your insulation on the table, and next to it put | | | | |