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Medieval Village - Casting the walls that go around the Village

There is a wall that goes all the way around the medieval village. This was a mini project unto itself and a lot of fun. I cast two different size walls and posts that connect them.

In this tutorial I show you that process.

 

The wall goes all the way around the village and in this picture you can see part of it in the front. And a little bit more of it between the buildings on the back side of the diorama.

The Medieval Village Diorama

 

 

The cast wall pieces

I created four different pieces that could all be used as the wall system around the village. Two wall units and two pillar units. And you can see there are two different sizes. One pair is larger than the other pair.

 

Making The Walls -

Forming the walls in clay

I started out simply forming the wall pieces with clay. I used an air drying clay called Marblex.

Scultping the wall models

Then I used some tools to sculpt out the bricks and shapes in the walls and pillars. The picture shows the pillars against the walls but they aren't connected. They are just side by side for reference.

 

Embeding the walls in clay

So, now we want to make a rubber mold of each of these pieces so we can cast lots of copies. We do this by starting the mold. You can see the little cardboar box we built. Then we filled the bottom half of he mold with clay and embedded the wall half way into that clay.

You can't see in in this picture but I pressed a couple of marbles about half way into the clay. These are location points that will hold the two halves of the mold together correctly. You will see how that works.

 

Casting the rubber mold

Now we fill the top half of that mold with some kind of a molding material. You can use OOMOO rubber or for a quicker and easier mold you can use InstaMold whichi is cheaper and easier. But instammold has a lifespan. If you use Instamold you need to cast your wall pieces the same day!

 


Here are the two products for Mold making.

Insta Mold

Activa Products Instamold 12 oz. can

Cheap and just add water. But you have to use the mold the same day before it dries out and is no longer useable.

OOMOO

Smooth-On Silicone Mold Making Rubber OOMOO 30

Fantastic molds, can be used over and over forever but more expensive. You mix the two halves together in equal amounts.

 


 

Half the mold is cast

Once the Rubber for the first half of the mold is dry you can take apart the walls and then remove the clay half.

 

Preparing for the second half of the molds

Now that the clay is removed you can also remove the marbles and then rebuild the box around the rubber and parts. See how this is going to work?

Now we can pour the rubber into this part and complete the mold.

Demolding the parts

And there you go. The rubber has been cast and is now dried. The mold is complete.

 

Opening the mold

And there you go! The mold is complete. Open it and separate the two halves then remove the clay parts.

 

The mold

Now put the two halves together and bind them gently with a couple of pieces of cardboard and rubber bands.

 

Pouring the plaster

Now mix up some plaster or plaster of paris and pour it into the mold. Rap on the mold moderately hard to insure the plaster flows completely into all the details inside the mold.

 

Remove the cast parts from the mold

Once the plaster has dried you can open up the mold and remove your pieces! Yay! Now you can use that mold again to cast more plaster parts. I did a whole lot of them.

Now they are ready to paint!

 

Return to the Medieval Village Main Page

 


 

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