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Topic: Shimming Rocks
Message: Posted by: DerekMerdinyan (Jan 29, 2007 12:32PM)
Crack it in half, remove some of the innards, insert a small magnet, glue back up, touch it up with a little paint to cover the crack?

Any better ways or tips?

Derek Merdinyan
Message: Posted by: ClintonMagus (Jan 29, 2007 01:13PM)
Why not cast one out of casting resin, with the magnet already inside? I can't imagine trying to cleanly break and hollow out a rock.
Message: Posted by: gsidhe (Jan 29, 2007 01:31PM)
Easy to cleanly break one, but really hard to hollow out unless you have all the right tools.
Definately cast one.
Message: Posted by: kaytracy (Jan 29, 2007 01:36PM)
I think it depends on the rock that one uses, and how it will be used. (are you letting others handle it>)
There are some that will not require any shimming!
Sandstone, slates, soapstones are all soft enough, or able to be split, ground a bit with a dremmel and a carbide or diamond bit, and plugged with the dust. (Actually with soapstone and sandstone, you can use a nail and a small rasp)
Message: Posted by: Michael Baker (Jan 29, 2007 04:03PM)
Well-equiped model railroad supply shops carry [url=http://www.woodlandscenics.com/index.htm]Woodland Scenics[/url] products, and rubber rock molds for casting is one of the nifty items available.

Follow the links to: Terrain > Rock Molds

You can order everything you need directly from them.

Message: Posted by: tbaer (Jan 29, 2007 05:04PM)
You can actually buy (hematite) magnetic rocks here.


The rocks look a little obvious if you are performing PK effects with them, so what I did was sand off the outside glaze with an electric sander until they look more like a normal rock.
Message: Posted by: DerekMerdinyan (Jan 29, 2007 07:15PM)
Stupid me... Trying to hollow out a rock...

Any suggestions for casting that could be done by an average schmo out of his garage? Materials and molding material.

I remember seeing some form of casting wherein an object was coated with a rubbery material - when it cooled, the object was cut out with a single slit cut and was then filled with yet another substance.

Derek Merdinyan
Message: Posted by: ClintonMagus (Jan 29, 2007 08:42PM)
All right, Michael... You need to decide to either get out of model railroading, or to give in to your baser insticts and dust off that N-scale layout. You can't have it both ways...

Message: Posted by: Michael Baker (Jan 29, 2007 10:09PM)

Hey, I learned a lot of things that are applicable to magic from model railroading! Come over sometime, and YOU can dust off the layout! Ha-ha! That room is so packed with magic stuff now, you can't even get to it!

Message: Posted by: acmp (Jan 30, 2007 03:22PM)
You could simply drill a hole, insert whatever then fill in with resin
Message: Posted by: Silver_Fang (Jan 30, 2007 10:20PM)
You could also make a hollow stone which can be found on that one site with the blood from stone trick.
Message: Posted by: acmp (Jan 31, 2007 07:39AM)
Get a fake stone from the shop, the ones you can hide a door key in.