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I had quite a few emails asking for photos of this method of installing building flats that I mentioned in a post last week.

 

My problem was how to attach flats to my painted masonite backdrop where flats had to overlap. Not all could be in direct contact with the masonite and I didn't want to get glue or tape on the front of any flat.

 

First, I screwed a sheetrock screw into the masonite in the place where the flat would stand. The screw was left extended by an amount equal to the distance that the building flat would stand away from the backdrop. In this photo, the flat was almost right up against the backdrop so the screw was driven almost flush with the backdrop.

 

A small neodymium magnet was placed on the screw head. These are available very reasonably on Amazon or the bay. Search for "rare earth" (or neodymium) magnet. You can see the remnants of a failed duct tape loop attachment on the backdrop that led to my coming up with this magnet method.

 

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Next, a metal plate (steel or iron) was attached to the rear of the building flat, roughly in line with the position of the screw. This flat was 3/4" pine so I used screws. You could also attach the plate with contact cement or duct tape depending on the material of the flat.

 

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Place the flat in position and the magnet will do the rest.  You could use more than one screw/magnet for more stability if desired. The building just installed was the gray tower on the right.

 

The tan building to the left of it was installed the same way except that the screw was left extended away from the wall so the flat would stand in front of the others in the scene.

 

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Jim

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Last edited by Jim Policastro
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 Jim, great post on how to mount flats. I've used Velcro in the past and at times tried various methods of holding them in place with magnets. It all comes down to hiding the way they are secured with an invisible mount. I have a few resin and wooden flats that are braced with quarter inch stock. This method works well mounting flush and tight to the backdrop. It helps if you have a window lined right up with a stud or backdrop support. 

 

 Place a piece of quarter inch wood that covers the window opening. You must plan ahead and not model that window or multiples if you chose. Glue it in place and drill a hole for the screw you are using to mount the flat. It will look like this. Then just screw it into the stud.

 

image Now you must hide the screw. On a resin kit with snug fitting windows it's possible to darken or fog the glass and just push it in place. Some thin wood or styrene can make the fit tighter. File a little notch so that you 

can get behind it and pop it out to access the screw if you decide to move it or further detail it at the bench. On the above structure I simply made a wooden window that pops in place giving it a boarded up look. You can model open double hung windows with an open bottom and use a shade to hide the screw. Just lift up the shade to access the screw.

 

 

 

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You can also use refrigerator gasket magnet material. It is easy to drill through, and can be made bigger or smaller by cutting it to the needed length. I use this sometimes for my music. I made an extra wide music stand out of steel as opposed to the standard aluminum ones. To hold the music in place, I use small pieces of the magnet. It's very hard to turn pages and play guitar.

Don

Thanks, Jim, very nifty idea.  I am about to make a 64-inch wide background section with downtown building flats on it and I like this idea.  

 

Amazing how myopic I  can get.  I use several dozen magnets in my workshop, as in the photo below.  I drill 31/64 inch holes in the wood below shelves and insert 1/2" diameter magnets into them.  The magnets hold tools conveniently right out where they are easy to reach.  But I never thought about using them for backdrop holders.   Again, thanks. 

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I bought a pack of small "rare earth"magnets years ago, and have used them for many things...like attaching a wall to a building so you can easily get inside to change bulbs or re-arrange room details. It works like a "temporary glue". Just make sure there is a small gap between the magnets, since they are VERY powerful, and hard to separate from each other.

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