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In this instructable I'm going to show you how to make a floating corner shelf that I made at Techshop


Two things to note before you embark, 1. This shelf is great for light and simple use -- to hold a picture frame, etc. Depending on how it is mounted will determine how much weight it can bare.    2.  When I initially started I thought this would be a piece of cake, but it turned out to be a little bit more difficult as the project progressed. To Start I recommend buying wood 1" think or more, I was using 3/4" Laminated Pine for Shelving, additionally, you should experiment with different mounting options, the nut and bolt's that I use for this were found cam lock and screws in the special items drawers at home depot, but there are other options out there.

Step 1: Here's What You Need

You'll need wood :).  In the pictures, I was using a piece of laminated pine that was 18" across.  The lines are from the cut diagram that I used for a previous tutorial on making a stronger corner shelf: here

When our initial piece of wood is cut into a right triangle that is 18" x 18" x 25" we will cut into that piece two inches from each side to give us stability when mounting. Each time we make a cut the table saw is going to each some of the wood and will throw our per-determined dimensions all out of whack. So if you want and 18" x 18" x 25" exact corner shelf, I recommend buying an even larger slab of wood.

You will also need are called Cam Locks and Screws (2nd Image)

And a 5/8" Forstner drill bit which will cut and leave a flat base. ($8) (3rd Image)

Step 2: Cut the Triangle

Cut the triangular shape that you would like for your shelf.

Step 3: Prep Sides

Next we will cut 1 1/4" off of both sides of the triangle.

You should end up with pieces like the images below.

As I mentioned before, when the cut is made, part of the wood will be out of alignment, to fix this you can just cut the extra length off from each piece (the easy way), or do what I did and match the grain make both a flat cut and a 45% cut. (The hard way).

Step 4: Now the Hard Part.

Drilling can be a little tricky on this without a drill press, but if you've got a tech shop ...  you will be okay.

Try a piece of wood to test your drilling skills on before going at the final work.   If you drill the forstner bit too close to the edge then your screw / bolt will stick out too far.  The circular lock has to sit in deeper than normal, so place the bolt down and draw where to cut.



Step 5: Almost There

Now we have our lock holes set, next we'll need to drill with a 1/4" bit for the bolt to pass through.  Tilt the drill press base to 45 degrees and find a way to lock it down.

Then use the same bit to create recessed  holes in the side pieces. I put two holes in both side pieces so that I can make a strong connection into the wall.

Step 6: Rough Assembly

Now lay everything down on the table and see if it works.

And hey, I flipped mine over and it's pretty good, but needs some pieces cut off from the ends.  (Off to the bandsaw).

Once it's cut and cleaned up.  Your pretty much done, just drill holes in your wall, insert, screws, and install.

I used a wood stain before mounting.

Hope you liked this breakdown and hope it helps your to avoid some of the mistakes I've made.

Cheers...

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