Backyard Foundry E-Zine
Rabbit Plaque
I made a Plaque for my wife that said "The Rabbitry" She didn't like it because she says she doesn't have a rabbitry...she only has some rabbits...so that one is for sale.... But I showed the plaque to one of my friends and they requested that I make one for her mom's birthday...so here it is:
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I cut the pattern out of the normal 1/2 inch foam that you can get at the hardware store. It is the blue sheet that is used for insulation in construction. I glued my paper that has the design onto the foam using foam contact spray. Here is a picture of the design and spray.
Posted 09/22/2013
I cut the foam around the lettering and edges with a knife and then chipped the background away...see the video at the end for details. Then, I peeled off the paper that was left and applied a thin coat of drywall mud.
I used k-bond oil bonded sand to bury the pattern and get it ready to pour. It is possible to use loose sand with lost foam casting but I have had more consistent results when I pack the pattern just as if it were a "regular" pattern. You just have to be careful not to ram it too hard and distort the foam. Here the plaque is at shakeout and wirebrushed...Success!
I sandblasted it and applied a patina...here is a picture of that.
Then, I polished the raised areas and put shellac on it to finish it. Here is a picture of the final product again. Watch the video for more details on how this was done!
Video of Entire Process
