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implicit_surface_pendant

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implicit_surface_pendant [2017/01/14 22:18]
74.243.171.60
implicit_surface_pendant [2017/05/01 12:11] (current)
74.243.171.57
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 Around the same time I was playing with lofting greyscale digital elevation maps to get 3D landscapes. I printed Acadia National Park (where I lived for a while) at a jewelry scale and printed it in their default "​white,​ strong and flexible"​ material. I invested it and cast in Bronze. The dogma is that this material would not burn out cleanly, and you can see in the finished piece that it picked up a lot of surface texture that was not in the model. As I understand it one of the biggest problems with trying to burn plastics out of casting investment is that they swell when they get hot and/or expand violently when they get to combustion temperature and this can break fine details out of the investment or, as in this case, mess up the surface. Around the same time I was playing with lofting greyscale digital elevation maps to get 3D landscapes. I printed Acadia National Park (where I lived for a while) at a jewelry scale and printed it in their default "​white,​ strong and flexible"​ material. I invested it and cast in Bronze. The dogma is that this material would not burn out cleanly, and you can see in the finished piece that it picked up a lot of surface texture that was not in the model. As I understand it one of the biggest problems with trying to burn plastics out of casting investment is that they swell when they get hot and/or expand violently when they get to combustion temperature and this can break fine details out of the investment or, as in this case, mess up the surface.
  
-For this piece though the surface (shown in the inset) adds to the piece making the landscape look "​real"​ (IMHO). I finished it with a brooch pin and ammonia-based patina.+For this piece though the surface (shown in the inset) adds to the piece making the landscape look "​real"​ (IMHO). I finished it with a brooch pin and an ammonia-based patina.
  
 {{::​acadia.jpg?​200|}} {{::​acadia.jpg?​200|}}
  
  
implicit_surface_pendant.txt ยท Last modified: 2017/05/01 12:11 by 74.243.171.57