Using plastic mold stuff to copy helms and swords

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**honeybadger33**

Hey guys. Can someone give me some tips on using the plastic mold stuff to make copies of unique bits such as helms and some swords for 40K? I can do the basic stuff but it usually comes out off center or just wrong. I use clamps to hold the pieces together and put holes in it to keep them bottom and top aligned. I cant figure out whats happening.

**kb_lock**

Too much pressure is a thing. Instamold is much better at press molding than it is at two part molds, or rather it is a lot easier to do.

The easiest way around it is to overstuff the mold and deal with the mold line repair. Easier to fix that than a thin object

**reds8n**

http://www.dakkadakka.com/dakkaforum/posts/list/30/205120.page#8615594

Q: Is it okay to talk about or show pictures of recasted models?

A: The owners of this site do not personally believe that recasting copyrighted models without the copyright holder’s consent (henceforth referred to as 'unauthorized recasting') to be an acceptable practice. Therefore, as both legal protection for the site and also due to that personal preference, it is imperative that Dakka not be used as a means to promote the concept, process and/or sale of unauthorized recasts, and any forum threads, articles and/or gallery pictures breaking this guideline may be locked or removed without warning.

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**Dr H**

Too much pressure is definitely a thing, it will deform the mould cavity.
If you are casting with putty you don't really need to form a water-tight seal. I find that finger strength is adequate.

kb_lock wrote:
...The easiest way around it is to overstuff the mold and deal with the mold line repair. Easier to fix that than a thin object

Further to this, I open up the mould immediately (before cure) and remove the excess putty and then press the two halves of the mould together again (repeat as necessary) and then ensure the halves are lined up correctly once you have the perfect amount of putty.

You can never have too many registration points (the things that help line up the two halves). Holes/bumps inside are good and also, when I'm using instant mold / Oyumaru, I'll even spread the 2nd half of the mould around the edges of the first half to ensure they only fit together one way.

**honeybadger33**

Thanks guys.
@Dr. H- Ive been doing that with the holes so they line up but my problem has been with let say helmets- They turn out okay but the two halves wont be lined up properly. Making me pull what little hair I have out. LOL. Im not trying to copy any major stuff but only small things such as my powerswords and a few helms.

@Reds8n. sorry about that. I didnt know it was against the rules and its my fault for not reading up before posting. Wont happen again