First, just as a test if I succeed

great work Edwin!

Now I 'm just happy to have made ​​it my master completely of aluminum . It is stable and does not damage the molding . So I can use it just as often .

Nothing the defiance I will now use a three-part silicone mold for resin chemical molding to create .
This has several reasons .

The silicones used for centrifugal casting are substantially stiff and with only two parts to the chain links without damaging the shape hardly see . So I can try it but quite simply as the best division of the form might look like.
I need at least 6 master for a meaningful spin cast .
Resin has been found within limits suitable for pressing and baking my shape silicone and I can just pour limbs.

So I now have faith in the first half mold from plasticine and Lego bricks . However, there remains a lot of work as the master to embed into the putty so that a usable surface and clean dividing lines arise .



Once the link is embedded clean I have to pull up only the edge with Lego blocks and can pour the mold with something harder quality silicone mold .
For the other parts I'm thinking to use something soft silicone .



I let the first be at least until tomorrow now .

Oh my god ... at your age you still play with Legos....      
  

Hi Gertig,

Lego bricks are best suited to the mold for Resincasting. That's what almost all professionals in smaller forms like this.

But it's even better. A friend of mine builds Playmobil houses and castles to ride terrain for tanks and painted it. They fit very well to the scale of the tanks and they bekomm cheap on Ebay.

Look this Tread by him

http://mmodell.de/forum/index.php?page=Thread&threadID=8216&highlight =

regards Edwin

Hi Edwin .... thanks for the link, always very interesting.  
Obviously I was joking ..... from your comments there is always more to learn new things.    
  

Hi Gertig,

I had already understood your post as a joke, but sometimes jokes are really great ....... 

Moreover, it is sometimes difficult for me to understand everything as it says the writer, but you have already understood I... 

regards Edwin

If I include the so together it is around 40 hours I needed for the link ....

But with the silicone mold for Resincasting it also goes further. Today I poured the second of three moldings. Once the basic shape was the most time consuming it is now a little easier and faster with each part.

  ola' edwin , molto interessante e istruttiva questa up sugli stampi delle maglie dei cingoli con mattoncini lego ... mitici.... tanto quanto i tuoi lavoretti , un salutone robby62 e riky94 ...  

After I first had to order and wait for the new shape silicone delivery let us go on .

I reassembled the Lego box and installed Eifll ventilation funnel made ​​out of plasticine and then poured the previously two -part form .





The new silicone is slightly faster , smoother and it looks like it did not like the other problems with the plasticine. The surface remains smooth and unlike the previous unimpressed.

[ img ] http://up.picr.de/16260376um.jpg [/ img

So I still do not like the shape , but I did not expected that I do it right the first time . Nevertheless, I now pour even a link from resin . Let's see how it is . But I will put the stock bars back first into the mold.





Now I have to wait until tomorrow first again .

Now I've made a few casts with the form .











I am satisfied with the form, as it is not yet , mainly because of this it would be greatly weaken a fundamental error produced by a small offset to the joints and too much air is still there. But that is not bad because I get to die here first as a lesson to see the knowledge for the very expensive spin cast .

So I have begun today from this experience to build a new shape.

Back in the Lego box , because the simple and works well . So I am learning slowly better to model with clay which also makes getting to be fun .







For casting the mold I have found a better now suitable for silicone and so the Grundbassis is ready.



After the silicone is fixed you can have the difference between the old form and the new left , see right.



Also the division of the form I get a little modify the three fittings to better separate . Here, the modeling for the second portion .