Sandbox forum: Good at math? I'm not so need some help please!

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Name: Anne
Summerville, SC (Zone 8a)
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Xeramtheum
Feb 26, 2017 9:04 AM CST
I have a 6 inch diameter ball that I want to cover in flat back jewels. The individual jewels are 5mm across. How many jewels will I need to cover the ball?

Thumb of 2017-02-26/Xeramtheum/fb3cb9

"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
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plantmanager
Feb 26, 2017 9:28 AM CST
I can' help with the number, but have done that many times by just buying the number of jewels that I think it will be, and then buying more! You will be gluing forever! My suggestion is to invest in epoxy paste, and set them into it, working very neatly and cleanly. It won't ever come loose and looks very nice. These will make lovely decorations. I'd suggest a 4 inch ball so the job doesn't last so long.
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Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
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Xeramtheum
Feb 26, 2017 10:34 AM CST
Thanks for the advice about the epoxy paste .. I was considering hot glue .. and yes it will probably take forever!
"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: Deb
Buffalo, Minnesota (Zone 4b)
Region: Minnesota Birds Cactus and Succulents Hostas Hummingbirder
dmurray407
Feb 26, 2017 10:38 AM CST
I'm no good at math, either, but I do like a challenge:) I found a website that has some tables to calculate bead quantities:
http://bergerbeads.net/sizecha...
It comes up with approximately 199-226 5 mm (OK, I read it wrong-it should only be 23 5 mm beads per square inch, not 200) "beads" per square inch depending on the arrangement. This seems like a lot.....

Then, from this page I found on Google:
http://ncalculators.com/area-v...
It says that a 6 inch sphere has approx 453 square inches (seems like a lot, but who am I to argue with Google?).

So, using that information, the estimate is that you need 102, 378 jewels. Which doesn't possibly seem like it could be correct-hope they are cheap:) (my adjusted calculation is about 10,500 5mm jewels to cover a 6" ball)

Using my own math calculations which are definitely NOT guaranteed, I would guess 16 5mm jewels (assuming that a 5mm jewel is approx 1/4 inch) per square inch? Multiply that by the 453 square inches and you get 7,248 jewels, which seems slightly more reasonable to me Smiling

Sorry, I'm not very helpful but I at least wanted to try:)

Deb
[Last edited by dmurray407 - Feb 26, 2017 12:21 PM (+)]
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Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Feb 26, 2017 10:46 AM CST
Please don't use hot glue. I did a very elaborate seashell mirror one time using hot glue. It was gorgeous but in about 4 years all of the shells just started dropping off. It seems to get brittle with age and loosen up. I just use it for things that I don't expect to last.
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Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
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Xeramtheum
Feb 26, 2017 11:00 AM CST
7 thousand Deb (your math seems logical)? Holy Guacamole and Golly Gee Willakers! That's downright SCARY!

Ok .. time to rethink - I got this 'orb' at the Fall Plant Swap. There is a hook in the middle that you can hang something from - a plant wouldn't really work so I was thinking something shiny. Maybe do a few lines of jewels and something else .. I'm open to suggestions!

Thumb of 2017-02-26/Xeramtheum/9e23af

"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
Seed Starter Garden Ideas: Master Level Hibiscus Hybridizer Garden Sages Butterflies
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Xeramtheum
Feb 26, 2017 11:02 AM CST
Definitely won't be using the hot glue Karen.
"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: Deb
Buffalo, Minnesota (Zone 4b)
Region: Minnesota Birds Cactus and Succulents Hostas Hummingbirder
dmurray407
Feb 26, 2017 12:24 PM CST
Xeramtheum said:7 thousand Deb (your math seems logical)? Holy Guacamole and Golly Gee Willakers! That's downright SCARY!


Remember, my math skills are not always to be trusted:) Glare
Deb
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Feb 26, 2017 1:25 PM CST
Anne, I do a lot of gluing jewels to metal. You could cover the outside of the orb frame or just glue a line of jewels down the middle of each bar, and then maybe hang one of the larger air plants in the middle. A nice tillandsia might look good.
Handcrafted Coastal Inspired Art SeaMosaics!
Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
Seed Starter Garden Ideas: Master Level Hibiscus Hybridizer Garden Sages Butterflies
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Xeramtheum
Feb 26, 2017 1:41 PM CST
I like that idea! Something to think about.
"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: Ann ~Heat zn 9, Sunset
North Fl. (Zone 8b)
Garden Sages Native Plants and Wildflowers Xeriscape Organic Gardener I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level
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flaflwrgrl
Mar 9, 2017 1:07 PM CST
Hey Anne, I bet @RickCorey can tell you just how many jewels you will need.
I am a strong believer in the simple fact is that what matters in this life is how we treat others. I think that's what living is all about. Not what I've done in my life but how I've treated others.
~~ Sharon Brown ~~



Name: Cheryl
Texas (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
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ShadyGreenThumb
Mar 10, 2017 6:53 PM CST
I had a sphere like that once. Oak Ivy grew up from the bottom and up all round the top forming a topiary.
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
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plantmanager
Mar 10, 2017 6:54 PM CST
That sounds like it was very neat, Cheryl. Any pics?
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Name: Cheryl
Texas (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
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ShadyGreenThumb
Mar 11, 2017 6:11 PM CST
Sorry, no pics. It was a long time ago. I reused the sphere once. Then IDK what happened to it? I used this ivy for the second one and it sort of looked like this.

https://okl1-scene7.insnw.net/...
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
Name: Karen
NM (Zone 7b)
Region: New Mexico Critters Allowed Region: Arizona Xeriscape Greenhouse Annuals
Cactus and Succulents Bromeliad Adeniums Orchids Tropicals Plumerias
Image
plantmanager
Mar 11, 2017 6:20 PM CST
If I ever find one, I'll try that.
Handcrafted Coastal Inspired Art SeaMosaics!
Name: Cheryl
Texas (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level Garden Sages Million Pollinator Garden Challenge
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ShadyGreenThumb
Mar 11, 2017 7:42 PM CST
Karen, @Plantmanager Check the floral departments. They often have topiary frames near the wreath frames. I have a monkey frame that I never got to redo. He's hanging naked in a tree. lol Maybe this year. Maybe not. I find topiaries hard to keep moist especially during our hot summers. Have to soak them in a big bucket of water to get the Spagnum Moss wet. But Ivy ust clings on to frames. It should be easy to keep moist.
Life is short, Break the rules, Forgive quickly, Kiss slowly, Love Truly, Laugh
uncontrollably, And never regret anything that made you Smile.
Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
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woofie
Mar 13, 2017 10:46 AM CST
For the record, the surface area of that 6" sphere is 113.04 sq. in. (the formula for surface area of a sphere is 4 x pi x the radius of the sphere squared). I think Deb got sq cm instead of inches. Smiling
Not sure how many of those 5 mm jewels that translates into, but that should be fairly simple to figure out. Hmmm, how many mm in a sq in? Ouch. That's still 3730 jewels, give or take a few, if my calculations are right.
Confidence is that feeling you have right before you do something really stupid.
Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
Seed Starter Garden Ideas: Master Level Hibiscus Hybridizer Garden Sages Butterflies
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Xeramtheum
Mar 13, 2017 12:43 PM CST
Lol .. too many for me - I'm doing something else for sure!
"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln
Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
The WITWIT Badge I helped plan and beta test the plant database. Dog Lover Enjoys or suffers cold winters Container Gardener Seed Starter
Image
woofie
Mar 13, 2017 1:17 PM CST
That's a cool looking orb. Hey, what about a clear globe with sparklies inside? Or a small stained glass piece?
Confidence is that feeling you have right before you do something really stupid.
Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
Plant and/or Seed Trader Birds Cat Lover Greenhouse Tropicals Bulbs
Seed Starter Garden Ideas: Master Level Hibiscus Hybridizer Garden Sages Butterflies
Image
Xeramtheum
Mar 13, 2017 5:03 PM CST
I ended up buying a stainless steel gazing ball.
"The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country. "

Abraham Lincoln

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