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The Magic Cafe Forum Index » » The workshop » » Sizing a mirror (0 Likes) Printer Friendly Version

rtgreen
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Inner circle
Portland, Oregon
1322 Posts

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Hi guys,

I am placing a mirror in an illusion and the mirror is too long by only about a 1/8" - much to short to cut off by scoring and breaking. I was about to cut a small dado in the top of the cabinet to account for the extra length, but I thought I would ask around first to see if there is a good way to grind a bit off the edge of a mirror to shorten it a bit. The mirror is 38" x 15" and it is the 15" edge I need to grind.

Any ideas?

Thanks,
Richard
ClintonMagus
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Southwestern Southeast
3999 Posts

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I suggest taking it to a local glass/mirror dealer. They have the equipment to do it correctly.
Things are more like they are today than they've ever been before...
jay leslie
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Southern California
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Or you can make another piece to the correct size, which may be quicker. The edges should be hand sanded which will help avoid breakage later on. Use a sanding block and start with 120 grit then finish with 250 for good luck.

I've found that sometimes using power equipment may break the glass. However if you have a belt sander... that will work much better then an orbital or disk sander.
lin
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California
830 Posts

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I'd second taking it to a glass shop or cutting a new piece as the easiest, most accurate, and least frustrating answers. But... if you were willing to experiment, you could try grinding the edge off with a fine grit grinding stone in a dremel tool.

In stained glass work, intricate pieces of glass are often shaped, or cleaned up, on a glass grinder. If you do try using a dremel, use plenty of water to lubricate the stone as you work--a squirt bottle works well--and be prepared for flying slurry (eye protection, outdoors). I have used a glass grinder, but have never tried using a dremel in this way--no idea how successful an idea it might be!

best of luck, whatever your process,

Lin
lin
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California
830 Posts

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Sorry, forgot to add: The dremel wouldn't give you a completely even edge, and you would definitely want to finish it off by hand as suggested above.
ClintonMagus
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Southwestern Southeast
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If you do it yourself, Make sure you wear a LOT of protective gear! One mistake can cause a lot of damage!
Things are more like they are today than they've ever been before...
jay leslie
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Southern California
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Did you see the video on youtube where someone cuts THIN glass with a pair of scissors?

http://www.youtube.com/watch?v=j2RLzzNNNwg
ClintonMagus
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Southwestern Southeast
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Thicker glass = bigger scissors? Smile Smile Smile Smile Smile

Tempered glass = chainsaw? Smile Smile Smile Smile Smile
Things are more like they are today than they've ever been before...
malaki
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490 Posts

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For smaller pieces of glass you can cut it with a tile cutter, like those from Harbor Freight. The diamond cutting wheel will work just like a table saw. Be careful! Proper (eye) protection should be used at all times! This method will also allow non-straight cuts if done with great care.
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