Shifting walls and ceilings are easily made by stretching out a sheet of cardboard so it is suspended mid air. It is pretty much a veneer with adhesive and it paints just like cardboard.First thing you're going to do roll on the mortar color first. I use a small scrap of plywood underneath the cutting operation so as not to dull the cutter.Lay the box flat on the ground so all of the flaps are visible.Painting First off, lets cover some of my frugal basics of paint and painting supplies.. Once I can see the rocks I can't help but miss the ass in my face. Where else are you going to find five gallons of black 30 year exterior latex enamel for $15. Moving the frame can easily be accomplished with air rams or motors.. The cardboard isn't all that uncomfortable, so the whole family can pitch in and help.. An oops area is where all the custom coloring is done.You would wind up with an even bigger hole that I'm not quite sure they make grommets for. You can remove more stubborn areas with a square nosed shovel, inverted so the underside of the scoop is up. No need to have perfectly painted stones because "The Powers That Be" didn't waste His/Her/Their time making them identical so neither should you. Once the mortar coat is dry to the touch, you can stack all the sheets into one pile. Always seems to be a gallon black or a shade of gray in there all year long. Another plus of this curved handle is it allows you to dip the brush directly into the paint can to wet the foam pad. The quart, gallon, and five gallon containers from the employees first attempts at the customers colors are usually reduced price steals. It is set on a curved handle with comfort in mind because painting this way with a standard brush would require you to post your wrists while painting to stay within the lines. This is something I do faithfully every time I enter my Home Depot or Orchard Supply Hardware stores. Using a sharp razor knife and a long, strait cutting edge makes this a simple task..In no time at all you'll have each stones outline down to a rhythm. Stencil all of it then paint all the stones as well. Stores like Harbor Freight sells kits like this for about $4. Now, lightly scribe the two outside flanges where the pattern forms a "v" on one side and an "a" on the other side made by the mold's outside shape.sometimes twice. The grommet installation kit. Is there more than 80% of the box intact? Do I have to fill a lot of punctures and tears?A box with 20% fill and repair is almost too much work considering the availability of boxes. It's easiest to use a colored pencil similar in color to the color of your base coat. Using the mold upside down, trace the contour of the stones out onto the cardboard. Preparations So first thing you want to do to get started is to cut the flaps free at the top and the bottom of the box so the flaps remain intact.Cardboard is very versatile and very common. Beware of the paint Nazi who thinks she can tell you how to paint and with what.The GOOD, the BAD, and the UGLY Corrugated board usually consists of outer flat sheets (veneers) of puncture resistant paper, sandwiching a central "filling" of corrugated short fiber paper (fluting), which resists crushing under compression and gives cushioning protection to the box's contents. I use one of those small foam bushes with soft little angled bristles. Try to have an adult go first, stenciling ahead of any children.