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2,343 Posts
Good video and good luck with your invention, I would buy a Dado/ special bit to do this joint.
 

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8,955 Posts
Brilliant thinking and design Andrew. I hope you do very well with this.
However, to play devil's advocate a little I would have trouble in cost/benefit analysis for most shops.
-This can't be a cheap tool
-The one piece drawer is impressive but wasteful of material with its thick bottom
-Limited versatility, how many plywood shop drawers will I make
-Strength gain over a similar joint off the tablesaw without the bump likely excess.(strong enough is all we need)
-Corners are pretty but splines mitres are too.
-More …..

I spent my working life in the building business. Boats, a few companies, etc and I don't mean to rain on your parade but cost analysis here just doesn't work for me. That doesn't mean I don't think the design is brilliant and I sincerely hope you prove me wrong.

Good Luck with your venture!
 

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Color me impressed! This is pretty dang cool!

One curious observation… Do the plywood edges break when you "fold" the sides? Did you wet them to help with the bending to avoid breaking?
 

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This is a heck of an invention! I wish you the best of luck with this endeavor!
 

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Very clever idea Andy. Impressive ingenuity.
 

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Watched the video, what great idea. Good luck with it.
 

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Great idea.. Have you done a Provisional Patent Pending on this yet? I assume you have
but I thought I would ask.
Without it you are placing this idea in the public domain and anyone is free to copy and or file
a patent on it without you.. just so you know.
We are in the middle of a Provisional on a new product of ours.
You must do that to protect yourself and you can not disclose the idea until it is filed.

Anyhow you have probably done this.. great idea.. you should be stating "Patent Pending"
All the Best With It.
 

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This is a natural to make art bases, good money in art bases.
 

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Andrew very impressive design ! You have great Vision & Skill. Best of luck to you with Patent.
Nice to see a bit of quality Video as well, You would make a good instructor .
 

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Congratulations, Andrew, on a well thought out product. I hope this brings you great success!
 

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Very KOOOOL. Try INFINITY TOOLS. I have no "dog in the race" with INFINITY TOOLS but they are a good company. Quick and easy !!!! Thank you
 

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It looks like you have a great idea there. I think that you are going about it in the right way: find an established company that would be interested in developing and marketing it. They would either buy your interest out or include you with enough interest in it. Either way could be worked out for compensation for you. Congratulations on a great idea and I hope that you do well with it.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com
 

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I'd have to agree with shipwright on this one. the idea is very cool, but I think this may already be achievable with existing tools. A few years ago I was digging in a thrift shop and found something called a molding cutter head by craftsman(seems like delta, corob and some others may make something similar, mine was a 3214 model). I believe it goes in the table saw(although router versions exist too I think), and it has interchangeable knives to allow cutting different profiles which would take the place of the custom blade you ordered. I have only used the one I bought one time because, frankly, I was terrified the set screws might come loose and send one of the knives flying at me! maybe why that's why these things aren't all that common in the first place… At any rate, you might look into these before you go putting your hard earned money into a business venture. Sorry if I have rained on your parade, I really am impressed with what you've put together here. Below are a few links I found on the subject:

http://www.mouldingknives.com/tablesawcutters/tablesawcutters.pdf
http://www.sears.com/craftsman-molding-head-set-7-in-diameter/p-00903217000P
http://corobcutters.com/
 

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I'm also with Paul, very cool idea but not applicable to any box because of bottom thickness issues.
Still, I think for heavy duty drawers like in a workshop this idea of yours could be excellent. Keep the creative juices flowing mate!
 

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A quick note on the drawer bottom thickness issue, in the second half of the video I use the tool to make a box with a thinner bottom.
 

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Andrew, that is a great invention. I think if it could be manufactured and made available at a reasonable price could be a worthwhile and successful project. Personally I don't find the thick bottom an issue, especially for drawers that will hold items with weight.
 

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What a cool idea and great design. I wish you all the best with your pursuit of a patent and future endeavors.

Your saving grace is going to be including a thin plywood bottom for the drawers and boxes. You may not be looking to sell these to small-operations craftsmen, but more larger scale manufacturers that make lots of BB Ply drawers for desks, entertainment centers, etc… it may be blasphemous to say on here, but think IKEA.
 
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