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CAD or Large Casting


#1

I have a customer who has a flat object aprox. Its about 2’x1’x2"
and 1/4 inch think all around. I need to find someone who can CAD a
photo of it, or scan it then prototype it. It would be ideal if
someone could scan this AND cast it in Silver too. Yes I know,
Silver. If not I have upto 50lbs of Silver that I can send or maybe
work something out. Any ideas would be great if anything is known
about doing something of this size in silver.

Thanks!
BVW Designs


#2

check out 3dwaxes.com
they’ve always delivered prompt


#3

Not sure on your measurements, but if this is in feet I would
suggest a foundry

Russ Hyder
www.thejewelrycadinstitute.com


#4
I have a customer who has a flat object aprox. Its about 2'x1'x2"
and 1/4 inch think all around. I need to find someone who can CAD
a photo of it, or scan it then prototype it. It would be ideal if
someone could scan this AND cast it in Silver too. Yes I know,
Silver. If not I have upto 50lbs of Silver that I can send or
maybe work something out. Any ideas would be great if anything is
known about doing something of this size in silver. 

While I certainly don’t want to discourage anyone from getting into
scanning and digital prototyping, it sounds like you want to
reproduce this object at actual size. If that’s the case, it would be
far more straightforward to simply make a mold from it and cast
another one using the lost-wax process. An art foundry capable of
doing medium- sized objects in bronze would be able to do it,
although they’d have to buy a new crucible if they aren’t already
casting silver.

Making CAD models from photographs isn’t going to do nearly as good
a job as a 3d scan; there’s just too much lost between 3d
and 2d to replace conjecturally. If there’s something I’m missing
here, such as a need to change the scale of the object, or reverse
it left-to- right, or modify the features in some way, then a 3d scan
would be appropriate. I could do that for you, or sell you the
equipment to do it yourself. But if it’s just a reproduction you
need, then a silicone rubber mold is all you have to make.

Andrew Werby
www.computersculpture.com