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Forum topic by tommyc325 posted 09-11-2016 08:03 PM 262 views 0 times favorited 7 replies Add to Favorites Watch
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tommyc325

54 posts in 821 days


09-11-2016 08:03 PM

Hi Everyone

Im looking to build this walnut vanity for my house.
https://s-media-cache-ak0.pinimg.com/564x/f2/fa/4d/f2fa4d3fd4c69a9ae44e9101d0d5b7fa.jpg

I designed it in sketchup here.

The problem that im having is im not sure how to join all this together. I was thinking I could use dowels in the legs and join them to the shelves but wasn’t totally sure.

Dimension 40×17


7 replies so far

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FancyShoes

509 posts in 830 days


#1 posted 09-11-2016 08:35 PM

A domino would be better. A dowel will cause twisting and be unsquare..

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tommyc325

54 posts in 821 days


#2 posted 09-11-2016 08:46 PM

I dont have a domino drill

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ravensrock

337 posts in 1108 days


#3 posted 09-11-2016 08:47 PM

The shelves don’t go all the way through the legs in the picture. I think I would just notch each leg to accept the shelf.

-- Dave, York, PA, WildSide Woodworking

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tommyc325

54 posts in 821 days


#4 posted 09-11-2016 08:59 PM



The shelves don t go all the way through the legs in the picture. I think I would just notch each leg to accept the shelf.

- ravensrock

understood but how would you join them?

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ravensrock

337 posts in 1108 days


#5 posted 09-11-2016 09:49 PM

I would think the glue in the notch/dado for each corner of the shelf would be strong enough to hold the shelves. You would just have to make sure they are all exactly the same so that the shelves are level. Looks like an apron around the top in the picture but not in your sketchup. If there is an apron I would just mortise and tenon the apron to the leg. Then use “figure 8” connectors to attach the top to the base. If there are no aprons I guess you could just use dowels in the top of the legs.

-- Dave, York, PA, WildSide Woodworking

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bondogaposis

4035 posts in 1817 days


#6 posted 09-11-2016 11:03 PM

You really should have the legs as one piece. Put a dado in two sides of the legs and then corner notch the legs to fit in the dados. You could then use screws and plugs or dowels to further reinforce the joints.

-- Bondo Gaposis

View JBrow's profile

JBrow

818 posts in 385 days


#7 posted 09-12-2016 12:08 AM

tommyc325,

The shelf capturing the legs looks like quite a difficult joint, especially with 8 to 12 to cut. The thin edge and ends of a shelf could easily break when sliding the legs into place. Getting perfectly mating joint lines will require some precision woodworking. In any event, for this style of joint, I think you are on the right track with dowels, although also gluing the legs to the shelves should, I think, also be done.

If the mortise in the shelf is a tight enough joint with the leg, glue alone would keep it together. However, reinforcing with a walnut dowel that runs thru the front edge of the shelf (not the end) thru leg and back into the shelf would be easy and strengthen the joint. The top presents its own challenge. One approach would be a shallow mortise in the top that accepts the leg and the top glued in place. But this joint would be difficult to reinforce and would probably be weak. A dowel installed by drilling thru the top into the top end of the leg would provide some reinforcement of the top. Since end grain of the dowel would be exposed to water splashed from the sink, ensuring the end grain of the dowel is completely sealed when finish is applied would be an important precaution against the dowel swelling and cracking the top at the joint.

Alternatively, a frame constructed with half lap joints onto which the top is fastened (to the upper face of the frame) could be constructed. The frame could be joined to the legs in the same manner as the shelves. An alternative to a frame would be corner blocks face-glued to the underside of the top. The corner blocks could be feathered into the underside of the top and a deeper and stronger mortise could be cut, likewise pinned with a dowel thru the edges of the corner blocks.

Since I presume that is a sink setting atop the vanity and the vanity will therefore be secured to the wall, racking should not be much of a problem. However if the vanity could encounter racking forces, the shelf/leg joints could fail. Since there are no aprons supporting the top and the shelves, attaching the vanity to the wall could be done with long pocket screws installed on the underside of the top and the upper most shelf.

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