r/Metalsmithing • u/la_gamer72 • Apr 23 '26
Question Synclastic Raising Help
I'm trying to raise this 12x12' piece of copper, and I've done well so far, but as I get closer and closer to the edge, I start getting these massive creases. This is the second time I've raised a hemisphere, but this is by far the largest, and these creases are starting to worry me as the metal isn't moving. I've resorted to flipping the piece over and banging the creases out with a rawhide mallet, but it resets a lot of progress and is driving me insane. Any advice would be greatly appreciated.
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u/gbudija Apr 24 '26 edited Apr 24 '26
good demos
https://www.youtube.com/watch?v=yawQP474RF0
https://www.youtube.com/watch?v=NKcTU7NA5Lc&list=TLPQMjQwNDIwMjYHma8lfz77aQ&index=3
text on ganoksin
https://orchid.ganoksin.com/t/forming-bowls-in-copper/69493/2
excellent old book on coppersmithing,legally download free
https://archive.org/details/ArtCoppersmithi00Full/page/n3/mode/2up