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  #21  
Old 08-14-2017, 01:52 AM
DanMcG DanMcG is offline
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Originally Posted by dribble View Post
Hello Bart.
I'VE been following this thread and wonder as others are you going to use this to make buck or a hammer form? If it is for a buck then maybe you could cover the part with cling film and use expanding foam to give you an imprint. The resulting casting could then cut into sections allowing transfer to a positive buck.

Cheers drib (dave)
That's a great idea.
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  #22  
Old 08-15-2017, 02:03 PM
Sprint Relic Sprint Relic is offline
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Quote:
Originally Posted by dribble View Post
Hello Bart.
I'VE been following this thread and wonder as others are you going to use this to make buck or a hammer form? If it is for a buck then maybe you could cover the part with cling film and use expanding foam to give you an imprint. The resulting casting could then cut into sections allowing transfer to a positive buck.

Cheers drib (dave)
If you were to go this route, do not use the "Great Stuff" spray can. I found out on a fiberglass plug project that it will shrink back some. I ended up using this stuff

https://www.lowes.com/pd/Sika-Polyur...l-oz/999977070

I got a couple of old jars and split the contents so I could mix up just what I needed and it cures much stiffer.
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