Floating shelves for my kitchen -- FAIL

UPDATED POST:

I built these using a combination of Shanty2Chic's and DIY Pete's methods and adapted them to fit my measurement requirements.  You can read about and download free plans from Shanty2Chic's website here.  You can watch their video tutorial on that same page, as well.  You can watch DIY Pete's tutorial ​here.

I wanted my finished shelves to measure 20" w x 8" d x 3" h.  Therefore, it took some tweaking.  It would have been easier to build the shelves thicker as shown in the tutorials and I wish I had of followed the tutorial.  

The reasons it was not a successful build:

• There was only one wall stud to screw into and we only used regular drywall screw-in anchors for the other attachment spots.
• The base that the shelf slid onto was too narrow and therefore not stable.
• The shelf was built too deep for the narrow & unstable base structure.

To read about the redo done right, click here.

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The exterior box crackfilled
and waiting to be sanded and stained.

Stained with
​Old Masters Gel Stain in Spanish Oak

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Here's what the box looks like on the end that goes on the frame.

Here is a frame in all of its ugliness.  LOL

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I removed the details of the build due to the fail.  Again, you can check the new and done right shelves here: