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Simple divider for centering cuts on edges of common boards.

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Project by Bob #2 posted 10-14-2007 01:20 AM 4206 views 33 times favorited 22 comments Add to Favorites Watch
Simple divider for centering cuts on edges of common boards.
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Finding center can be frustrating when you are in the shop and need a quick way to place a biscuit or dowel or mortise.
This simple math trick does the job for you.

Drill two holes in a piece of 3/8” thick stock that are 2” a part and exactly the size of your selected dowel material
The center hole should be the diameter of your favorite pencil stock.
All the holes must line up along a straight pencil line for this to work.
Drill a hole dead center between the previous dowels for the pencil.
If it’s a bit loose set a screw through the side of your wood to hold it .

That’s it!

By placing a dowel on each side of your wood and running down the stock with the dowels touching the sides you will draw a line dead center on the work.
You may want to stack more layers up to hold the pencil so the sharp end doesn’t protrude as much.

Enjoy Bob
brd-divider

-- A mind, like a home, is furnished by its owner





22 comments so far

View Thos. Angle's profile

Thos. Angle

4437 posts in 2658 days


#1 posted 10-14-2007 01:28 AM

Yep, got one but it isn’t as nice as yours. Mine uses nails. Ugly but it gives me a resaw line. Good post .

-- Thos. Angle, Jordan Valley, Oregon

View mot's profile

mot

4911 posts in 2732 days


#2 posted 10-14-2007 01:48 AM

I hope you made two!

-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View David's profile

David

1970 posts in 2835 days


#3 posted 10-14-2007 01:56 AM

Very nice! I need one of these to make fast layouts with my Leigh FMT jig . . . better than using two combination squares. Thanks!

-- http://foldingrule.blogspot.com

View Karson's profile

Karson

34891 posts in 3096 days


#4 posted 10-14-2007 02:04 AM

Great Bob.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View SC_Galoot's profile

SC_Galoot

30 posts in 2578 days


#5 posted 10-14-2007 03:05 AM

I’ve always liked this idea. And thanks to some time spent in the shop today, I’ve got some cutoffs that will be perfect for this. I don’t have any dowels long enough so I’ll try Thos’ idea of using nails.Thanks for sharing.

View gene's profile

gene

2184 posts in 2579 days


#6 posted 10-14-2007 03:13 AM

Bob,
I don’t have one now, But I will on Monday. Thanks for the idea.

-- Gene, a Christian in Virginia

View WayneC's profile

WayneC

12295 posts in 2793 days


#7 posted 10-14-2007 03:56 AM

Great Tip Bob. Thanks for sharing.

-- We must guard our enthusiasm as we would our life - James Krenov

View Chris 's profile

Chris

1867 posts in 2687 days


#8 posted 10-14-2007 04:55 AM

Thanks for the walk through. I think I’ll be making one tomorrow :)

-- "Everything that is great and inspiring is created by the individual who labors in freedom" -- Albert Einstein

View lclashley's profile

lclashley

244 posts in 2810 days


#9 posted 10-14-2007 05:02 AM

Cool idea, Thanks Bob.

View shaun's profile

shaun

360 posts in 2601 days


#10 posted 10-14-2007 12:44 PM

Why do I do everything the hard way? This is slick and definitely one of those deals where I couldn’t see the forrest cause all those trees were in the way. Thanks, Bob

-- I've cut that board three times and it's still too short!

View Bob #2's profile

Bob #2

3808 posts in 2717 days


#11 posted 10-14-2007 02:08 PM

p.s. guys, for those who don’t know you can buy various sizes of dowel material in 3 or 5 foot lengths at most hardware stores worth their salt.
I keep a tube in the shop with the more common sizes.
They are not all that expensive.
I the high end harwood suppliers often have doweling in various hardwood materials as well.

Bob

-- A mind, like a home, is furnished by its owner

View Dadoo's profile

Dadoo

1767 posts in 2686 days


#12 posted 10-14-2007 02:11 PM

I agree with Shaun…I’ve seen this idea/jig before but still find myself measuring and marking.

*Still not ready to snatch the pebble…sigh.

-- Bob Vila would be so proud of you!

View Bob #2's profile

Bob #2

3808 posts in 2717 days


#13 posted 10-14-2007 02:26 PM

Of all the things I really do poorly, measuring is foremost.

So, I have to use all the props I cant find. <g>

Bob

-- A mind, like a home, is furnished by its owner

View coloradoclimber's profile

coloradoclimber

548 posts in 2764 days


#14 posted 10-14-2007 05:16 PM

Nicely done Bob. Simple and eminently useful.

This looks like just the ticket for splitting a board for resawing. Typically I’ll make up some laminate out of 4/4 stock, then resaw it down the middle. To find the middle I usually eyeball the fence position, nick it on the bandsaw blade, flip the stock over, nick that side and see if the second nick lines up with the first nick, then usually adjust and repeat. A little trick like this ought to get me right on the first time.

View TomFran's profile

TomFran

2942 posts in 2690 days


#15 posted 10-15-2007 09:38 PM

Great tool, Bob! Thanks for taking the time to give us some pictures and a little “how-to” instruction. I really appreciate posts like this.

-- Tom, Surfside Beach, SC - Romans 8:28

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