Instructables
Picture of Wood Shop Must Have Domino Joiner
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A domino Joiner is a must-have for anyone who makes cabinet doors Face frames Or furniture I gathered all my cash and went to the hardware store to buy one I thought it would be about 300 bucks Wrong answer $996 dollars. I did not have $1000 to spend on a new tool. So in the spirit of this Instructable I went home and made my own. I am entering this in the contest because It fits the parameters perfectly
 
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Step 1: Find A 1/4 " Router

Picture of Find A 1/4
I used a secondhand router because I wanted to secure mounting plate And I did not want to Install and remove my existing router. Making the joiner is simple in theory But the bit needs to be centered exactly on that wood your cutting, That way if you mess up And invert a piece It will still mate up with your other work, The rotor should be exactly 90° to the base And very securely mounted Check and recheck it must be square

Step 2: How It Works

Picture of How It Works
You need to make a base for the router to attach to and a table to slide on it, The distance the table slides back-and-forth is the width of a domino Plus about eighth of an inch. The depth of the cut is controlled by where you place the router bit in the router, Of course it will be slightly over half a Domino's length

Step 3: Mark Your Joints

Picture of Mark Your Joints
I mark the joints before I cut them, I do this because I set it up With the dominoes slightly to the outside edge The Mark also assures you're getting the cut in the correct place The line points to the cutter

Step 4: Clamps And Guides

Picture of Clamps And Guides
The clamps are a must, They hold your work down and steady. The position of the guide determines where the router will cut your slot I chose to set mine fairly close to the edge. This is because sometimes I Use narrow rails and stiles Sometimes as small as a inch and a quarter wide. Several bases could be made for different applications
Junophor1 year ago
Very good invention!!!

Yours Aeon Junophor
This looks really good. It would be good to see a video of you using it.