Building a coffee table with glass inserts, need some advice - Woodworking Talk - Woodworkers Forum
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post #1 of 15 Old 10-31-2017, 05:09 PM Thread Starter
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Building a coffee table with glass inserts, need some advice

Hello all, I am building a coffee table out of dimensional lumber with two glass inserts for the top. Below you will see a sketch of the top of the coffee table with the glass inserts labeled. The edges I want to router are crudely outlined in green. The top will be made of 2x4s. The two glass inserts are 11"x21" The overall dimensions of the coffee table top are: 49" wide, and 27 1/2" deep. I want to router the edges of the 2x4s that are directly in contact with the glass inserts. As I understand it, I need to make a 1/4" lip with the router so that the glass inserts will rest on them. My plan is to router the edges of the 2x4s before assembly. Will this work ok? Thanks.
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post #2 of 15 Old 10-31-2017, 05:46 PM
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Either way you are going to have to do a little chisel work to square up the corners of the rabbit, because the router bit won't cut clear to the corner because it is a round cutter
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post #3 of 15 Old 10-31-2017, 05:56 PM Thread Starter
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Either way you are going to have to do a little chisel work to square up the corners of the rabbit, because the router bit won't cut clear to the corner because it is a round cutter

I will be routering those boards before assembly, so they will be individual cut straight 2x4s. Will I still need to do some finish work with the chisel? I thought the router would make a clean cut on a straight board?
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post #4 of 15 Old 10-31-2017, 06:01 PM
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I will be routering those boards before assembly, so they will be individual cut straight 2x4s. Will I still need to do some finish work with the chisel? I thought the router would make a clean cut on a straight board?

It will but you will have to chisel out the radius of the cutter, if you just route the whole board you would then have two grooves past the glass in the corners
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post #5 of 15 Old 10-31-2017, 06:27 PM
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You could make a half lap joint and eliminate the need to chisel the corners out but if it were me I would just chisel it out'
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post #6 of 15 Old 10-31-2017, 06:38 PM Thread Starter
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It will but you will have to chisel out the radius of the cutter, if you just route the whole board you would then have two grooves past the glass in the corners
I overlooked that on those boards. My mistake.
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post #7 of 15 Old 10-31-2017, 06:41 PM Thread Starter
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I think chiseling out the corners will work fine for me. Is there a specific size/type you guys recommend? I have never chiseled anything.
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post #8 of 15 Old 10-31-2017, 06:55 PM
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Chiseling out the corner may be a problem then. It's not that difficult but you need a chisel that is nearly razor sharp though. You might be better off using a utility knife. If you are going to use a chisel a 1/2" chisel would work fine.
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post #9 of 15 Old 10-31-2017, 07:02 PM Thread Starter
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Chiseling out the corner may be a problem then. It's not that difficult but you need a chisel that is nearly razor sharp though. You might be better off using a utility knife. If you are going to use a chisel a 1/2" chisel would work fine.
What do you think about an oscillating multi tool with a wood bit? You would need a steady hand but wouldn't that be a decent alternative like the utility knife?
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post #10 of 15 Old 10-31-2017, 07:54 PM
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Ii have used a "multi-tool" a lot and would not try to do that myself. The problem is that you just cannot hold that tool sufficiently steady. It is not designed as a precision tool.

Do not be concerned about cleaning out those corners with a chisel. Practice on a scrap first and it will not take you long to be an expert. It is not as difficult as it sounds to you.

George
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post #11 of 15 Old 10-31-2017, 08:07 PM
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What do you think about an oscillating multi tool with a wood bit? You would need a steady hand but wouldn't that be a decent alternative like the utility knife?
Were only discussing cutting out the rounded corner. It's very little wood to remove. A multi tool would be useful for a much larger project. I think you would tear up the frame with a multi tool.
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post #12 of 15 Old 10-31-2017, 08:15 PM
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Chisel is you're best bet, it's precise and controlled. Less likely to make a very obvious mistake. Make sure you buy a rubber mallet with you're chisel. Don't be trying to use a hammer.

"Error of opinion may be tolerated where reason is left free to combat it"


Thomas Jefferson
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post #13 of 15 Old 11-01-2017, 10:09 AM Thread Starter
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That gives me some confidence about chiseling. I appreciate all of your input. I'm glad I posted up, I glossed over a couple important details.
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post #14 of 15 Old 11-01-2017, 12:29 PM
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from experience here . . . get the glass pieces cut to size/ground/finished before you make the table.

my 'luck' with getting glass people to cut/finish to a stated dimension is not good.
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post #15 of 15 Old 11-01-2017, 01:40 PM
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They also make a tool that is spring loaded that you put in the corner and hit it with a hammer and it cuts the corners square

You ought to buy one so you can give us a tool review on it LOL

It sounds good but it might not be so good, but it might work great too
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