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Monday, December 20, 2010

Mold Making

After posting the walls someone requested I do a tutorial on how  to make the molds. So here goes.

I start by getting aquarium stones and a suitable base on which to build the master wall.


After wall has been constructed seal it with a layer of PVA glue. If there are any bigger holes in the wall close them with some wall filler.


I stick the masters onto a flat surface, a floor tile works well for this.


Next I construct a frame with Lego blocks and hot glue it to the tile. The inside of the frame containing the master is then sealed with a layer of rubber latex.



When dry the rubber latex is poured into the frame covering the masters. This is then set aside to dry. When all is dry remove the frame to expose the molds, remove the masters from mold and start casting.



10 comments:

  1. Interesting....I will have to plunder my sons lego collection and have a go at this
    Cheers
    Paul

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  2. Hi GReg,

    This is an absolutely top notch post that adds some real value to the hobby, thanks very much for sharing.

    I'm keen to show your technique with the readers of my Miniatures Modeling and Gallery blog. Would you mind if I reproduced some of your post there ? I will fully credit you and link back to your site.

    Keep up the excellent blog, I'm a follower now and will be back.

    Thanks for posting and thanks again for sharing,

    Sigmar
    my WFB blog
    my Battle Reports

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  3. Sigmar, you are more then welcome to use it. As a friend of mine always says that is why our blogs are there to help other war gamers and to learn from others.

    Cheers

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  4. Great tutorial mate!!!
    Very inspiring! I want to try reproduce my houses in molds, but I am somehow ''cautious'' about it!
    Maybe I'll give it a shot!!!
    Great work again!!
    T.

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  5. Great walls Greg. I may try this at home but I'd definitely be happy to buy some from you.

    Cheers
    Mark

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  6. I really like the idea of using Lego. I'm forever using different containers that have too much or too little extra space. That said, I used flashing to hug some shapes and that's worked out well, too.

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  7. How much did the rubber latex run you ? This is a great idea and been thinking a way to make stone wall and maybe even fences without having to hand make every one

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    Replies
    1. Ricky it cost me about R200 which more or less equates to 20 US Dollars or 10 Pounds. Once you have the molds you can produce them at leisure.
      I made 1gate section, 2x broken sections and 5 complete sections which gives me 8 different sections in total. Even if you should use 1 complete section and place it next to each other you wont know they are similar due to the paint work on each. So if you go with one gate section one broken and one complete section you should be fine and less latex will be required.

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    2. Great idea, good way of cutting down on the time needed to construct individual walls. I possess duplicating material, I think when I start building terrain I will be using your technique.
      thanks for sharing the info ,john

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    3. Those where my thoughts too.

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