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Post by bobby1 on Aug 29, 2014 21:59:01 GMT -5
Newest one is a carving I did in milky chalcedony. It is 2" tall and is intended to me mounted as a pendant. Bob
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Post by kk on Aug 29, 2014 22:24:27 GMT -5
Great to see you coming into fortifying your cabs. Love your balance and curvature in this piece. Will be stunning when set.
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adrian65
Cave Dweller
Arch to golden memories and to great friends.
Member since February 2007
Posts: 10,772
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Post by adrian65 on Aug 30, 2014 0:15:34 GMT -5
I also like the elegant curves in this special cab. Superb!
Adrian
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europast
starting to spend too much on rocks
Member since January 2013
Posts: 118
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Post by europast on Aug 30, 2014 0:37:55 GMT -5
Beautiful! It looks like a leaf or petal.
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Post by nowyo on Aug 30, 2014 1:24:16 GMT -5
I like the symmetry. The thought and effort that went into it really shows.
Russ
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Post by snowmom on Aug 30, 2014 9:15:29 GMT -5
artistic and beautiful!
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unclestu
Cave Dweller
WINNER OF THE FIRST RTH KILLER CAB CONTEST UNCLESTU'S AGUA NUEVA AGATE
Member since April 2011
Posts: 2,298
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Post by unclestu on Aug 30, 2014 16:33:22 GMT -5
Has a very graceful femine form to it. Stu
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Post by Jugglerguy on Aug 30, 2014 17:56:08 GMT -5
How did you polish inside the groove?
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Thunder69
Cave Dweller
Thunder 2000-2015
Member since January 2009
Posts: 3,101
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Post by Thunder69 on Aug 30, 2014 21:03:20 GMT -5
Super nice cab...John
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Post by bobby1 on Aug 31, 2014 0:45:16 GMT -5
I sanded inside the groove with a 1" wood wheel that was embedded with tumbling grit. I polished with a 3" wood wheel that had cerium oxide embedded in it. Bob
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Post by Jugglerguy on Aug 31, 2014 6:56:49 GMT -5
I've heard of polishing with a wooden wheel, but I've never seen it done. Would it be asking too much too see pictures of your wooden wheels and the motor that runs them? Does the species of wood matter? Do you embed the grit by just wetting the wood and sprinkling it on?
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,666
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Post by Fossilman on Aug 31, 2014 8:59:55 GMT -5
Beautiful job!!!!
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Post by bobby1 on Aug 31, 2014 9:11:24 GMT -5
Rob, I use a small hole saw and cut 1" disks from a 1/4" pine (or other relatively soft wood) board. Then I drill a small hole in the center of the wood disk and mount it on a small mandrel which is in turn mounted in the hand piece of my Fordom flex shaft machine. As I spin the wheel I hold a coarse file against it to shape the edges to a knife edge. I then dip the wheel in water and then roll it firmly in the tumbling or polishing material to embed the grit or polish in the wood. Then I just sand or polish as needed. Definitely use different wheels for different grits and the polish. It goes rather quickly. Sometimes I use Cratex rubberized sanding wheels as a first sanding step before going to the wood wheels. Bob
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Post by Jugglerguy on Aug 31, 2014 9:38:30 GMT -5
Thanks Bob, I don't have a Foredom, but I do have a flex shaft for my Dremmel. Maybe I can hook up something similar. I'd like to make heart shapes out of softer stone like Kona dolomite, but I didn't know how to polish the indentation on the top. For harder rocks, I would just throw them in the tumbler.
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Post by pghram on Sept 1, 2014 16:36:59 GMT -5
Very elegant & sleek.
Rich
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Post by rockjunquie on Sept 1, 2014 18:46:43 GMT -5
Beeeeeautiful! That will make a nice piece of jewelry!
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bsky4463
fully equipped rock polisher
Member since September 2013
Posts: 1,696
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Post by bsky4463 on Sept 2, 2014 7:34:57 GMT -5
Rob, I use a small hole saw and cut 1" disks from a 1/4" pine (or other relatively soft wood) board. Then I drill a small hole in the center of the wood disk and mount it on a small mandrel which is in turn mounted in the hand piece of my Fordom flex shaft machine. As I spin the wheel I hold a coarse file against it to shape the edges to a knife edge. I then dip the wheel in water and then roll it firmly in the tumbling or polishing material to embed the grit or polish in the wood. Then I just sand or polish as needed. Definitely use different wheels for different grits and the polish. It goes rather quickly. Sometimes I use Cratex rubberized sanding wheels as a first sanding step before going to the wood wheels. Bob Bob - great explanation...many thanks. Great to learn new means and methods.....(thanks for asking Rob). Cheers
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Post by Jugglerguy on Sept 2, 2014 15:27:58 GMT -5
Bob, I have one more question. Could you describe or show a picture of the mandrel. I'm not sure if I can buy something similar for my Dremel, but I'm not exactly sure what to look for. The mandrels that came with the Dremel have a tiny screw in the end to attach things like cut of disks, but they're to short and probably too weak to hold a wooden disk.
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