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How do can I invisibly make this attachment?

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Forum topic by Rink posted 01-13-2021 07:01 PM 442 views 0 times favorited 17 replies Add to Favorites Watch
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Rink

211 posts in 1010 days


01-13-2021 07:01 PM

I’m building a console. The first picture below gives an idea of what I’m trying to do. There will be doors on the bottom. Above that there are “columns” holding up the top so that there is an open area for electronics.

Here’s a side view.

This is the stage I’m at now, without the columns or the top attached.

So, my question is, what would be the best way to attach the columns to the base, and the best way to attach the top to the columns. I suppose I can live with putting a screw through the base into the columns. It would be hard to see those screws from the inside, unless you’re looking for them. But I’m not sure how to attach the columns to the top. I was thinking of possibly putting a dowel in and gluing it to the top, but I don’t love that idea.

Any advice? Thanks.

David


17 replies so far

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SMP

3191 posts in 879 days


#1 posted 01-13-2021 07:24 PM

Dowels would work, or putting threaded inserts in the top and hanger bolts in the columns and then thread the columns onto the top, then dowel that whole assembly to the case.

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Andre

4121 posts in 2779 days


#2 posted 01-13-2021 07:25 PM

Through shouldered tenon?

-- Lifting one end of the plank.

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bilyo

1256 posts in 2076 days


#3 posted 01-13-2021 07:32 PM

I would put one or maybe two screws in from the underside into the bottom of “columns”. You could do this in a way to make the top easily removed and re-assembled if you like. This would make the entire unit easier to move if necessary. To do this, put threaded inserts in the bottom of the columns and then use flat head bolts with heads countersunk. They won’t be seen, especially if you have doors on the unit. Then use a large blind dowel or two smaller ones in the top of each “column” to mount them permanently to the top.

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Loren

10937 posts in 4621 days


#4 posted 01-13-2021 07:41 PM

http://www.mod-eez.com/Dowels.htm fasteners are an option.

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HokieKen

16027 posts in 2112 days


#5 posted 01-13-2021 07:59 PM

I would have probably used short mortise and tenons on both ends but if your columns are already cut to length, too late for that :-) My second choice would be dowels on top and threaded insert to attach it on the bottom.

-- Kenny, SW VA, Go Hokies!!!

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MikeB_UK

261 posts in 2008 days


#6 posted 01-13-2021 08:18 PM

Dowels would be easiest to fit, floating tennons easier to align.

Can’t quite make it out from the pics, are the columns attaching to the wallnut insert in the top?
And if so is it thinner than the edge or the same thickness?
(thinner would give an option of an angle bracket inset under the top going from the column to the maple.)

-- Be yourself; everyone else is already taken.

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Rink

211 posts in 1010 days


#7 posted 01-13-2021 08:44 PM



http://www.mod-eez.com/Dowels.htm fasteners are an option.
- Loren

I like this idea. Not sure where to buy just a small quantity.


Can t quite make it out from the pics, are the columns attaching to the wallnut insert in the top?
And if so is it thinner than the edge or the same thickness?
(thinner would give an option of an angle bracket inset under the top going from the column to the maple.)

- MikeB_UK

I’m not sure I totally follow what you’re saying. The walnut top is a bit thinner than the maple trim around it. That would hide the top of an angle bracket. But the bottom half of the bracket would be visible.

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brtech

1079 posts in 3896 days


#8 posted 01-13-2021 08:50 PM

Loose tenon. Ask around and see if you have a buddy who has a Domino: you can knock out all of those joints super fast, accurate and strong, but you can also do loose tenons yourself with a router and a piece of hardwood.

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Rink

211 posts in 1010 days


#9 posted 01-13-2021 08:52 PM



http://www.mod-eez.com/Dowels.htm fasteners are an option.

- Loren

I just ordered a Sample Pack from Knapp connectors. Thanks.

View MikeB_UK's profile

MikeB_UK

261 posts in 2008 days


#10 posted 01-13-2021 09:11 PM

More one of these, so the entire thing is hidden by the lip of the top

A normal angle bracket would do, picture seemed the easiest way to describe the orientation

-- Be yourself; everyone else is already taken.

View JIMMIEM's profile

JIMMIEM

115 posts in 1815 days


#11 posted 01-13-2021 10:21 PM

Biscuits would work. Based on the size of the columns you could use two or more biscuits per column. Alignment and installation might be easier than lining up and drilling for dowels.

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Robert

4314 posts in 2454 days


#12 posted 01-13-2021 11:15 PM

Threaded inserts in the top and attach column with a hanger bolt. Attach columns to lower unit with a large wood screw.

-- Everything is a prototype thats why its one of a kind!!

View SMP's profile

SMP

3191 posts in 879 days


#13 posted 01-14-2021 02:12 AM


http://www.mod-eez.com/Dowels.htm fasteners are an option.

- Loren

I just ordered a Sample Pack from Knapp connectors. Thanks.

- Rink

Although those look like they work nicely i would feel like i was making ikea furniture with those lol

View 4wood's profile

4wood

73 posts in 927 days


#14 posted 01-14-2021 02:56 PM

I have always wanted one of these. The INVISE MX2 is a devise that fits into the end of your drill and spins a magnet inside a square plastic cube causing the special fastener to tighten that is inside your joint. Probably not in your budget, $464, but it is something to keep in the back of your mind. It is perfect for what you want to do. This is made by Lamello.

https://www.bing.com/videos/search?q=invise+mx2&docid=608031124729235148&mid=2864DEED81D5A17A0E002864DEED81D5A17A0E00&view=detail&FORM=VIRE

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Rink

211 posts in 1010 days


#15 posted 01-14-2021 03:52 PM


Although those look like they work nicely i would feel like i was making ikea furniture with those lol

- SMP

I hear you, and I feel some of that. But, I used a biscuit joiner and biscuits on the top, I’m using Blum hinges for the doors, I used metal screws to attach the legs to the carcass, etc. So, I’m okay with using metal compression dowels to make an invisible attachment.

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