Glass Cutting for your Wood Projects

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Blog entry by Jim Jakosh posted 11-28-2009 03:35 AM 7164 reads 1 time favorited 4 comments Add to Favorites Watch

I have a glass sided shot glass collection cabinet with a light on the inside top and glass shelves so the light can go all the way to the bottom. Unfortuantely I made the shelves out of single strength glass and there are now 180 shot glasses in there. I lived in fear of one of the shelves breaking and wiping out the whole collection so I bought some 1/4” plate glass pieces from the Re-Store to make new thicker shelves.
I had to cut 4” off one direction and 1 1/2” off the other. I had never cut that thick of glass before.
I first cleaned the (used) glass thoroughly and then clamped a straight edge to it to guide the glass cutter. Then I oiled up the glass with some 3 in 1 oil. I scored the glass and then proceeded to snap it at the line.
Grabbing the 4” piece and giving it a snap worked real well. 4 pieces cut real clean. Then I tried to clamp a board to the 1 1/2” piece to make the snap. The first one was fairly good with a little chip on a corner. The second one broke the piece in half. then I tried something different. I clamped the 1 1/2” part to the bench and snapped it with the 10” long piece. That snapped very cleanly. The rest of the pieces cut clean as well.

Some of you may know this process, but if you don’t, you can learn from my mistake of trying to snap a small piece from a big piece. It does not work well.

Have a good day!!!!!!!....................Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

4 comments so far

View a1Jim's profile


117126 posts in 3604 days

#1 posted 11-28-2009 03:51 AM

Thanks for sharing Jim

-- wood crafting & woodworking classes

View scrappy's profile


3507 posts in 3458 days

#2 posted 11-28-2009 09:00 AM

Thanks for the info. Have cut glass before and ad the same problem. This will help for next time.

Keep the info comin!


-- Scrap Wood's the best...the projects are smaller, and so is the mess!

View Jim Jakosh's profile

Jim Jakosh

20599 posts in 3133 days

#3 posted 11-28-2009 09:31 PM

Hi Scrappy. In another note you said you were going to Arizona for the winter. We are too. We usually go to Casa Grande Golf and RV park, but it closed last fall. So, we are going to High Chaparrel in Arizona City- about 15 miles from CG.- down towards Eloy where they do all the skydiving. Last year I took a mini lathe with me and sold a ton of wine stoppers in the park. I sold ‘em all and had to send for more stopper bottoms.

Where will you be staying? How long to you go for? Do you do any woodworking there?

How do you put a standard reply to comments on Blogs and projects? Scrap wood’s the best…......

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View Tim Pursell's profile

Tim Pursell

499 posts in 3809 days

#4 posted 11-29-2009 03:04 AM

Very good info on cutting glass. I have had to cut some 1/4” strips 12” long off a chunk of glass for some of my lamp shades and learned the hard way to snap them off using a kerf cut just the right depth in a piece of scrap wood. Another thing is used glass is always harder to cut than new glass. It actually does get more brittle with age.
Did you know you can take off the sharp edges of freshly cut glass using a regular belt sander? clamp the glass between two pieces of wood and use the belt sander parallel with the glass, never across the edge. Work through the grits, just like you would on a piece of wood & you can get the glass pretty smooth. Polishing with a hard felt wheel in a drill can be done..if you have enough patience.


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