Resin casting aria on Forum

[tony557]

As I am a avid resin caster myself and make my own master parts for moulds I was wondering if anyone would be interested in having a aria for this subject. I was thinking along the line of the part, making the RTV mould (weather it be a 1,2,3or 4 piece mould) where to put the pour holes and the outcome of the actual part created. So is that aria of interest to anybody or not.
Tony.

[wisdonm]

I've never done more than a two-piece mold, so I would be interested in how to do three and four part molds.

[john2308]

I'd be interested, maybe I could learn how to make the masters, molds and cast them   

[Guest]

I am always up for learning a new skill. I think this would be good.

[tony557]

Don a three part mould is mainly used on arias where you have a severe undercut so you are less likely to damage the mould when removing your cast. A four part mould is as above but you have the undercut on either end or side. How I normaly do them is to pour the RTV as I would a two part mould then once all is set take a craft knife and cut the mould in a appropriate aria from the under cut. Creating a 3 part. Don,t know if this is the right way but it works for me. ps make sure to mark a line or number the parts so you don,t get mixed up when putting it in the box for casting.

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