victor1941
fully equipped rock polisher
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Post by victor1941 on Jan 3, 2023 11:08:36 GMT -5
Rockpickerforever, I like your wiggle room answer because my initial question about a sail design implied a loosely triangular shape such as the cab sample Parfive provided. Cutting flat and long straight sides on a flat lap is as easy as is removing saw marks on the back of a cab because the surface is flat. My real question was my finding a piece of material that allowed for slightly curved sides or straight sides in my finished cab.
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Tommy
Administrator 
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Post by Tommy on Jan 3, 2023 11:08:58 GMT -5
Fun playing ping pong with you Tommy- but as you say Rules are rules - SO Since I'm the final arbiter today I'm going to say: Curved sides (convex or concave) are allowed
BUT the shape has to have 3 distinct sides & corners.
AND be easily recognizable as a triangle.
In other words, no egg shapes, tear drops, etc, etc, etc. Can the fun begin already ?? Patty
DONE!!! haha  Contest Theme: Loosely Triangular! as chosen by our contest winner for November, liveoak. Contestants are asked to create a triangle shaped cabochon of any material, size color. Curved sides (convex or concave) and rounded corners are allowed BUT the shape has to have 3 distinct sides & corners AND be easily recognizable as a triangle. Edited: added back the "rounded corners" note |
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Post by liveoak on Jan 3, 2023 11:27:05 GMT -5
Technically that becomes a hexagon.
But if the corners are kept small,
so it's OBVIOUSLY a triangle, than I don't see a problem.
Thanks for asking,
Patty
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brotherbill
spending too much on rocks
Member since October 2018
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Post by brotherbill on Jan 14, 2023 17:41:20 GMT -5
I hope this meets the criteria  . Many thanks to wpotterw for the rhodochrosite and the quartz. The cab was capped because of the mixed hardness of the rhodocrosite which has pyrite, hematite and quartz mixed in for good measure!     |
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khara
fully equipped rock polisher
Member since September 2022
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Post by khara on Jan 14, 2023 17:44:30 GMT -5
Yay! Finally some action! 🔺👍
I didn’t know about all the different materials in rhodochrosite, that’s interesting info. Pretty cab, nice variety of colors in the banding.
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Post by liveoak on Jan 14, 2023 19:20:45 GMT -5
Pretty cab .
Good start for the contest.
Patty
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Post by jasoninsd on Jan 14, 2023 20:57:36 GMT -5
brotherbill - That looks fantastic! Great idea on capping that piece. Love the pattern capture you chose!
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Post by opalpyrexia on Jan 14, 2023 22:31:53 GMT -5
That's a beauty, Bill!
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rockbrain
Cave Dweller 
Member since January 2022
Posts: 2,582
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Post by rockbrain on Jan 14, 2023 22:40:02 GMT -5
Sweet cab!
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Post by opalpyrexia on Jan 14, 2023 22:48:14 GMT -5
I had already cut a Noreena cab for this triangle contest, but then decided that it probably wouldn't be a contender. So after rummaging through my material again, I finally decided to take a chance with this beat-up Botswana piece. Its underside looked pretty safe, so I gave it a go — |
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Post by jasoninsd on Jan 14, 2023 22:54:22 GMT -5
opalpyrexia - Dang Gary! Rolling the dice on that one paid off BIG time! That is a genius capture on the banding...and fantastic cab overall!!
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Post by opalpyrexia on Jan 14, 2023 23:03:53 GMT -5
opalpyrexia - Dang Gary! Rolling the dice on that one paid off BIG time! That is a genius capture on the banding...and fantastic cab overall!!
Thank you, Jason. I was really worried that the bands would do some traveling after studying the backside. But it was a thick slab, so I had to take a slice off the back with my trim saw. After doing that it looked as though the bands came back into alignment — whew!
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Post by Rockoonz on Jan 14, 2023 23:04:38 GMT -5
Yeah, dang Gary. That top polished pic with the reflection of the lights looks like a grinning snake to me. The Rhodo is super nice too brotherbill and a personal favorite material. |
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khara
fully equipped rock polisher
Member since September 2022
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Post by khara on Jan 14, 2023 23:11:11 GMT -5
opalpyrexia Boy, I would not have thought that would turn out ok with all those little fractures. That looks really great!
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realrockhound
Cave Dweller
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Post by realrockhound on Jan 14, 2023 23:18:55 GMT -5
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agatewhisperer
has rocks in the head
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Post by agatewhisperer on Jan 15, 2023 9:05:07 GMT -5
opalpyrexia love it! The picture looks like it's looking back at me lol. brotherbill also, love it!! Capping is one thing I have yet to do and you came out with a great cab!
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Tommy
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Post by Tommy on Jan 15, 2023 22:13:06 GMT -5
brotherbill, opalpyrexia way to get the contest rolling with these two gorgeous cabs! We could stop the contest right now and it would be an absolute struggle to decide.
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realrockhound
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Post by realrockhound on Jan 17, 2023 21:52:59 GMT -5
Realized we’re already halfway through the month. No idea of what I want to cut 😅
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pebblesky
fully equipped rock polisher
Purchased another UV mini bowl for tumbling
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Post by pebblesky on Jan 18, 2023 1:17:03 GMT -5
Both are very elegant entries!
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victor1941
fully equipped rock polisher
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Post by victor1941 on Jan 19, 2023 17:40:55 GMT -5
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