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Other Stuff => Workbench => Topic started by: Cherno on 02 April 2017, 12:15:35 PM

Title: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: Cherno on 02 April 2017, 12:15:35 PM

I just found this interesting video about how to make silicone molds from 3D prints and then make a cold cast piece by using, for example, resin mixed with metal powder. The cool thing is that due to the iron content, you can let it rust or use a rust solution to quicken things up, and with some burnishing work afterwards, you get very realistic results withput having to paint anything.

It might be perfect for Post-apocalyptic terrain pieces, and you could even make molds from your existing resin scenery.

https://www.youtube.com/watch?v=7VBVU3FNt-s

Title: Re: Cold casting 3D prints
Post by: Andrew Rae on 02 April 2017, 12:49:18 PM

That looks great. Makes me want to design some robots!

Title: Re: Cold casting 3D prints
Post by: snitcythedog on 02 April 2017, 01:51:18 PM

I was much more interesting to actually see the iron powder in use.  I was on the fence about trying it out before but this was cool.  Thanks for sharing. 
Snitchy sends.

Title: Re: Cold casting 3D prints
Post by: Andrew Rae on 02 April 2017, 02:06:42 PM

Quote from: snitcythedog on 02 April 2017, 01:51:18 PM

I was much more interesting to actually see the iron powder in use.

That's what I meant. It makes me want to design robots so I can cast them and make them rusty.

Title: Re: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: Cherno on 02 April 2017, 09:08:03 PM

I changed the title to better reflect what's interesting about this video.

Title: Re: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: Andrew Rae on 02 April 2017, 09:17:40 PM

Did anyone miss that? :?

Title: Re: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: nic-e on 02 April 2017, 09:43:15 PM

Tiranties sculpture supplies have a good range of resin additives, Including marble and slate for stone casting.

Give them a ring and they'll happily tell you what to do.

(they also have a very lovely plaster terracotta iron mix that creates rusting ceramics.)

Title: Re: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: Hammers on 04 April 2017, 01:51:00 PM

Another reason to contemplate a purchase.

Title: Re: Cold casting 3D prints with iron powder / resin mix (real rust!)
Post by: Juxt on 04 April 2017, 05:18:51 PM

I've made cold casts in the past with so much metal filler in them that I was able to copper plate them... Should also work with silver plating I imagine, Another idea worth investigating?