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	<title>Toolmaking Art &#187; Tools</title>
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	<link>http://toolmakingart.com</link>
	<description>Timeless Tools</description>
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		<title>Vagabond Tool Rack</title>
		<link>http://toolmakingart.com/2010/04/27/vagabond-tool-rack/</link>
		<comments>http://toolmakingart.com/2010/04/27/vagabond-tool-rack/#comments</comments>
		<pubDate>Wed, 28 Apr 2010 04:58:06 +0000</pubDate>
		<dc:creator>Bob Strawn</dc:creator>
				<category><![CDATA[TEOTWAWKI]]></category>
		<category><![CDATA[Tool Box]]></category>
		<category><![CDATA[Tool Making]]></category>

		<guid isPermaLink="false">http://toolmakingart.com/?p=1324</guid>
		<description><![CDATA[<p>I have finally finished my portable tool rack design.  It is a tool roll, rack and box, all in one.  Maybe not really a box, but then it may be better.  Read along, and you can be the judge.</p>
<p>Before I let the cat out of the bag and show you the vagabond tool rack,</p>
<p></p>
<p>let me [...]]]></description>
			<content:encoded><![CDATA[<p>I have finally finished my portable tool rack design.  It is a tool roll, rack and box, all in one.  Maybe not really a box, but then it may be better.  Read along, and you can be the judge.</p>
<p>Before I let the cat out of the bag and show you the vagabond tool rack,</p>
<p><img src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2005%20Cat.JPG" alt="" width="500" /></p>
<p>let me give you the background on this project.</p>
<p><span id="more-1324"></span>For three years I have been working on building a better tool box.  I really like my hexagonal one,</p>
<p><a href="http://toolmakingart.com/2008/05/07/the-vagabonds-tool-box/"><img class="alignnone" title="Hexagonal Tool Box" src="http://www.battlering.com/woodworking/images/Tool%20Box/Tool%20Box%20Open2.JPG" alt="" width="812" height="539" /></a></p>
<p>but the truth is, I only pull it out when I want to impress someone with it&#8217;s rustic splendor.  The problem is, that it take up too much space.  Unfolded it is about a yard square.  It covers a table.   On the floor it can be quite a reach to get a tool from where you are standing.  I love it, but it just isn&#8217;t convenient.</p>
<p>On my journey of exploring tool box methods, I became intrigued by the  <a title="Japanese Tool Box" href="http://www.peacocklumber.ca/Projects.asp?Source=JapaneseToolbox" target="_blank">Japanese Tool Box</a>.    Essentially this is a very convenient crate.  A simple crate is less likely to be absconded with, so the crate was a better method of protecting tools, than a fancy box would have been.</p>
<p>Thinking about this, I came to a critical turning point.  No fancy box, instead the modern equivalent of the crate.  The perfect container, really, the pickle bucket.   It is nondescript, common, replaceable and air tight!  That is correct, it no only makes a good stool, it protects from weather like no other tool box can.  It is waterproof.</p>
<p>The only flaws to the pickle bucket are it&#8217;s difficulty in opening and closing and it&#8217;s clear lack of class.  since the lack of class, helps protect tools, I have to say, it is a very real advantage.</p>
<p>The <a title="Bucket Lid" href="http://freckleface.com/shopsite_sc/store/html/gammaseals.html" target="_blank">Gamma Seal</a> solves the opening and closing issue as well.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2001%20Lid%20on%20Bucket.JPG" alt="" width="500" height="332" /></p>
<p>This lid holds liquids, but unscrews easily.  Makes a good sorting tray as well.  Closed, the tools are safe from dust, and weather.  With it open, the tools inside can be reached easily enough.  Especially if they are on a nice rack.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2003%20looking%20in%20bucket%20with%20Jsaws.JPG" alt="" width="500" /></p>
<p>My first thought was to build a rack that could divide the tools up in the bucket and protect them.  When I took it out, I could then assemble the tool rack and put the tools on it.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2014%20origial%20saw%20rack.JPG" alt="" width="500" /></p>
<p>This design works great, and fits together nicely with a few dovetails.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2017.JPG" alt="" width="500" /></p>
<p>It, and all of it&#8217;s brethren still take a bit of time to put together and take apart.  And the multiple racks end up, once again taking up a lot of table space.   You also end up setting up and arranging a lot of tools that you don&#8217;t even use that day.   Cute, but far from perfect.</p>
<p>Finally I came up with a rack that I liked, that also shielded the cutting edge of the saws.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2019%20prototype.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2020%20Prototype%20holding%20saw.JPG" alt="" width="500" /></p>
<p>It also had another great advantage, it was stable.  The thing absorbs blows, that would knock over a ridged rack, and just flows with it.  You can knock it over, but it takes a good hit to do it.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2021%20prototype%20stitching.JPG" alt="" width="500" /></p>
<p>A lot of time went into drilling holes, until I realized, I was making pegboard.  Silly me.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2022%20second%20prototype.JPG" alt="" width="500" /></p>
<p>On the next model, I started using paracord, and decided that I really liked it.  I tried a lot of different knot and stitching formations to try and get it just right.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2023%20second%20prototype%20back.JPG" alt="" width="500" /></p>
<p>I also found that barrel locks did a perfect job of tying down tools and still letting you get them out easily.  I had planned to make a bunch of leather and wood fittings, and I still plan to, but the paracord and barrel lock combo does a really nice job and remains easy to modify.  You can see the knit handle for lifting the tool rack out of the bucket.  My brilliant wife knit this for me.  It doubles as a bit of emergency cord, as it can be easily unraveled.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2006%20saws%20in.JPG" alt="" width="500" /></p>
<p>The final form, is simple and hold a lot of tools conveniently.  The white board improves the lighting in front of it, so it is pretty convenient to have at the back of a table.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2007.JPG" alt="" width="500" /></p>
<p>While I do think that a darker surface looks a bit cooler,</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2025%20prototype%20long%20form.JPG" alt="" width="500" /></p>
<p>The advantage of improved lighting might make the white version advantageous.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2008%20face%201.JPG" alt="" width="500" /></p>
<p>Planes, scissors, spare paracord and barrel locks, a try square, and a scribe.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2009%20face%202.JPG" alt="" width="500" /></p>
<p>Marking knives, bevel gauge, bevel setter, two chisels, combination square and a sharpie.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2010%20face%203.JPG" alt="" width="500" /></p>
<p>Four more chisels an aluminum bronze mallet, screwdriver, pencil and strop.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2011%20face%204.JPG" alt="" width="500" /></p>
<p>A wooden mallet, scratch awl, lighter, flashlight, knife, and chisel.  All that is missing is the cutting gauge.   There is still more than enough room for a small one.</p>
<p>It can also be put together using cable ties.  Very tight and stable, really nice.  Somehow I prefer the paracord, even though the cable ties are much cheaper and easier to use.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2028%20cable%20tie%20figure%20eight%20detail.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2029%20Cable%20Tie%20figure%20eight%20tight.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2030%20Cable%20tie%20figure%20eight%20front.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2031%20cable%20tie%20t%20joint.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2032%20cable%20tie%20t%20joint%20front.JPG" alt="" width="500" /></p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2013%20empty%20cable%20tie.JPG" alt="" width="500" /></p>
<p>Finished, the vagabond tool rack is stable and has lots of room on it.</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2033%20empty%20in%20bucket.JPG" alt="" width="500" /></p>
<p>And it fits nicely into a six gallon plastic pail!</p>
<p><img class="alignnone" src="http://toolmakingart.com/images/Tool%20Box/Portable%20Tool%20Rack/Vagabond%20Tool%20Rack%2012%20Cat.JPG" alt="" width="500" /></p>
<p>It fits on the end of a worktable and still leaves room for tools, work and a cat.</p>
<p>Bob</p>
]]></content:encoded>
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		<slash:comments>7</slash:comments>
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		<item>
		<title>Ecopoxy Update</title>
		<link>http://toolmakingart.com/2010/03/20/ecopoxy-update/</link>
		<comments>http://toolmakingart.com/2010/03/20/ecopoxy-update/#comments</comments>
		<pubDate>Sun, 21 Mar 2010 03:10:39 +0000</pubDate>
		<dc:creator>Bob Strawn</dc:creator>
				<category><![CDATA[Tool Making]]></category>
		<category><![CDATA[Woodworking]]></category>

		<guid isPermaLink="false">http://toolmakingart.com/?p=1315</guid>
		<description><![CDATA[<p>I have been testing  Ecopoxy as an adhesive.  They are not marketing it as an adhesive, but I think they really should.  I love this stuff.
Here is a fairly wicked test of a glue. any glue you choose to name.</p>
<p></p>
<p>This nice jagged chip is about to be glued.</p>
<p></p>
<p>To this chair leg.</p>
<p></p>
<p>I waxed my [...]]]></description>
			<content:encoded><![CDATA[<p>I have been testing  <a title="Ecopoxy Product Page" href="http://www.ecopoxysystems.com/products.html" target="_blank">Ecopoxy</a> as an adhesive.  They are not marketing it as an adhesive, but I think they really should.  I love this stuff.<br />
Here is a fairly wicked test of a glue. any glue you choose to name.</p>
<p><img src="http://toolmakingart.com/images/ecopoxy/Chair%20Chip.JPG" alt="Chip" /></p>
<p>This nice jagged chip is about to be glued.</p>
<p><img src="http://toolmakingart.com/images/ecopoxy/Chair%20Leg.JPG" alt="Chair leg" /></p>
<p>To this chair leg.</p>
<p><img src="http://toolmakingart.com/images/ecopoxy/Chair%20Glued.JPG" alt="Chair leg being glued" /></p>
<p>I waxed my clamp first so it wouldn&#8217;t become part of the chair leg, and then I smeared the epoxy.</p>
<p>The resin component of the ecopoxy had  crystals in the bottom, kind of like the crystals that will form in honey.  I crunched them up with a Popsicle stick and stirred them in.  I was a bit nervous, with this, but a test is a test.  It stirred up a bit cloudy, but as you can see, after adding the catalyst the glue became transparent with no evidence of cloudiness.</p>
<p>The epoxy was not thick, so it went into the pores and gaps without too much work.  The setting time is quite long, so I was able to paint both surfaces quite well, join then and even dabble a bit more in to fill holes.  There was no smell at all.  I also painted a bit onto the surface of my worktable, where it was a bit lower than the rest of the table.  An odd sort of fix and test.  My worktable is juniper, so I managed to do a test of Ecopoxy on a fairly acid wood as well.</p>
<p>As another rather vicious test, I added five new mallets to my mallet collection.</p>
<p><img src="http://toolmakingart.com/images/Mallets/Mallets.JPG" alt="Mallets" /></p>
<p>Mallets tend to get a bit of impact, so using a glue to make a mallet is cruel.  Osage has a bit of oil to it, so it is also a rather cruel test.  Using Aluminum Bronze, and joining it to osage is rather going over the top as far as pushing a glue.  I also used some ash, since that is kind of expected as a handle and will work as a comparison if the rest fails.</p>
<p>So far the chair and the mallets are all holding up fine.  I have not gone easy on them either.</p>
<p>I have to say this is a very good glue, long setting time, rugged finish, unlimited shelf life, forgiving mixing ratio, no smell to speak of, and it  takes weight and impact well.  When you throw in that it is food safe, and marine grade water proof, this stuff is a hands down winner.     I have quite a few other tests about, but it will take a bit of time before I can say how well they have held up.  The chair and the mallets are the sort of thing that I have seen other glues immediately fail from.   </p>
<p>Bob</p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
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		<title>Multi-Functional Divider</title>
		<link>http://toolmakingart.com/2009/12/22/multi-functional-divider/</link>
		<comments>http://toolmakingart.com/2009/12/22/multi-functional-divider/#comments</comments>
		<pubDate>Wed, 23 Dec 2009 04:03:05 +0000</pubDate>
		<dc:creator>Bob Strawn</dc:creator>
				<category><![CDATA[Hand Tools]]></category>
		<category><![CDATA[Metalworking]]></category>
		<category><![CDATA[Tool Making]]></category>
		<category><![CDATA[Tools]]></category>

		<guid isPermaLink="false">http://toolmakingart.com/?p=1272</guid>
		<description><![CDATA[<p>I love multifunctional tools.  Sadly, most of them don&#8217;t really work very well.   Here is one that is a real gem.</p>
<p></p>
<p>The bottom divider is unmodified.  Works great, and it can hold a pencil.  The top one is modified by having one point ground down.   It will not measure quite as small a [...]]]></description>
			<content:encoded><![CDATA[<p>I love multifunctional tools.  Sadly, most of them don&#8217;t really work very well.   Here is one that is a real gem.</p>
<p><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Dividers%20Before%20and%20After.JPG" alt="Divider, holster and Modified Divider" /></p>
<p>The bottom divider is unmodified.  Works great, and it can hold a pencil.  The top one is modified by having one point ground down.   It will not measure quite as small a gap.   It is however a much more useful tool.  The leather sheath above it holds extra bits and protects the divider.</p>
<p>The bit pocket has a snap at the top to put bits in and a snap at the bottom to pour them out.  It is a bit flawed as the sharp bits fall right into your hand, so you need to be careful.</p>
<p><span id="more-1272"></span></p>
<p><img class="alignnone" title="Bits" src="http://toolmakingart.com/images/leather/Cutting%20Divider/Dividers%20with%20bits.JPG" alt="" width="500" height="310" /></p>
<p>This tool will act as a divider, can draw circles, and cut circles.</p>
<p>First I take a normal bit, and grind it down</p>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20018.jpg" alt="Original Phillips Bit" width="500" height="332" /><p class="wp-caption-text">Original Phillips Bit</p></div>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20016.jpg" alt="Bit ground down partially" width="500" height="332" /><p class="wp-caption-text">Bit ground down partially</p></div>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20009.jpg" alt="Bit Ground to point" width="500" height="1011" /><p class="wp-caption-text">Bit Ground to point</p></div>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20005.jpg" alt="Point ground into a cutter" width="500" height="782" /><p class="wp-caption-text">Point ground into a cutter</p></div>
<p>The point can be ground by putting the bit in a drill and spin grinding it with sandpaper.  It can be done faster on a grindstone or belt sander.</p>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Bit%20in%20divider%202.JPG" alt="Cutting bit in divider" width="500" height="332" /><p class="wp-caption-text">Cutting bit in divider</p></div>
<p>A couple of important points.  The flat of the cutter should go to the outside, and should be ground level with one of the six faces of the bit&#8217;s shaft.  This way it is in line when you cut.  The curved edge facing inward, tend to force the cut to maximum allowed diameter, making for a more stable line.</p>
<div class="wp-caption alignnone" style="width: 510px"><img title="Circles cut and marked by divider" src="http://toolmakingart.com/images/leather/Cutting%20Divider/What%20the%20Divider%20can%20do.JPG" alt="Circles cut and marked by divider" width="500" height="447" /><p class="wp-caption-text">Circles cut and marked by divider</p></div>
<p>This bit is great for marking wood and leather.  As you can see it will also cut.  Bits can be made with steeper angles so they do not sink as deep, or with finer points to leave a finer mark.  More conventional blades can be made as well.</p>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20011.jpg" alt="Blade" width="500" height="821" /><p class="wp-caption-text">Blade</p></div>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Divider%20Bits%20020.jpg" alt="Blade" width="500" height="728" /><p class="wp-caption-text">Blade</p></div>
<p>With a nice divider able to cut, scribe, measure, scratch and mark, you have a pretty amazing tool.  With a screw driver handle added to the kit, you can use the blades and points for an even wider range of functions.</p>
<p>I made a better version of the original sheath.  Here it is on a belt with a pair of bottle holsters.</p>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Second%20Sheith%20On%20Belt.JPG" alt="Divider Sheith on Belt with Bottle Holsters" width="500" height="206" /><p class="wp-caption-text">Divider Sheith on Belt with Bottle Holsters</p></div>
<p>The Bit holder uses one snap, and allows you to see and select the bit you want.  The bit can be grabbed from the bottom to avoid the sharp points.</p>
<div class="wp-caption alignnone" style="width: 510px"><img src="http://toolmakingart.com/images/leather/Cutting%20Divider/Scond%20Sheith%20Bits.JPG" alt="Improved Bit holder!" width="500" height="459" /><p class="wp-caption-text">Improved Bit holder!</p></div>
<p>I got a bit of feedback desiring one of these made for them.  So I have created an <a title="Tool Making Art Sales" href="http://www.etsy.com/shop/toolmakingart" target="_blank">Etsy Store</a> to sell stuff to those who don&#8217;t feel comfortable making their own.  Since one of the major goals of Toolmaking Art is to encourage people to make their own tools, the prices will of course reflect this goal.</p>
<p>Bob</p>
]]></content:encoded>
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		<slash:comments>2</slash:comments>
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		<item>
		<title>Radius Cutter/Scribe</title>
		<link>http://toolmakingart.com/2009/07/21/radius-cutterscribe/</link>
		<comments>http://toolmakingart.com/2009/07/21/radius-cutterscribe/#comments</comments>
		<pubDate>Tue, 21 Jul 2009 13:08:52 +0000</pubDate>
		<dc:creator>Bob Strawn</dc:creator>
				<category><![CDATA[Hand Tools]]></category>
		<category><![CDATA[Metalworking]]></category>
		<category><![CDATA[Tool Making]]></category>
		<category><![CDATA[Tools]]></category>

		<guid isPermaLink="false">http://toolmakingart.com/?p=1216</guid>
		<description><![CDATA[<p>Johnathan, recently posted on Woodnet his rendition of an inlay radius cutter.  The design is one that Steve Latta showed in an article on Fine Woodworking.   Lie-Nielsen sells one based on that design. </p>
<p>The tool is a very stable compass that can cut.  My current need is one to mark a radius in steel.  [...]]]></description>
			<content:encoded><![CDATA[<p>Johnathan, recently posted on <a href="http://www.forums.woodnet.net/ubbthreads/showflat.php?Cat=&amp;Board=handtools&amp;Number=4385902&amp;Forum=,All_Forums,&amp;Words=&amp;Searchpage=0&amp;Limit=25&amp;Main=4385862&amp;Search=true&amp;where=&amp;Name=40069&amp;daterange=&amp;newerval=&amp;newertype=&amp;olderval=&amp;oldertype=&amp;bodyprev=#Post4385902" target="_blank">Woodnet</a> his rendition of an<a title="The Bespoke Woodworker" href="http://www.thebespokewoodworker.com/blog/2009/07/08/inlay-tools-2-radius-cutter/"> inlay radius cutter</a>.  The design is one that <a title="Latta on Fine Woodworking" href="http://www.taunton.com/finewoodworking/search/search.asp?cx=009096020989677304441%3Ayn5icbkse5w&amp;cof=FORID%3A9&amp;ie=UTF-8&amp;q=latta+inlay&amp;sa.x=34&amp;sa.y=13&amp;sa=Search#1110" target="_blank">Steve Latta showed in an article on Fine Woodworking</a>.   <a title="Inlay tools from Lie-Nielsen" href="http://www.lie-nielsen.com/catalog.php?cat=549" target="_blank">Lie-Nielsen sells one based on that design. </a></p>
<p>The tool is a very stable compass that can cut.  My current need is one to mark a radius in steel.  So I threw one together.  It of course is a bit different.</p>
<p><img class="alignnone" title="Radius Cutter" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2001%20Bottom.JPG" alt="" width="800" height="430" /></p>
<p>The body is osage, the knob is mesquite, and the angle adjustable cutter/marker holder is ash.</p>
<p>The points where ground from old high speed steel drill bits and tempered hard.  I need them hard because I am marking steel.  In the picture below, you can see the radius cut into the edge of a head knife that I am making.  The red just outside the cut is to show me where I need to grind off steel.  I am using the thread end of a Chicago bolt to put the pivot in to give fine precision.</p>
<p><img class="alignnone" title="Radius cutter points" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2002%20Cutter%20and%20pivot.JPG" alt="" width="800" height="531" /></p>
<p>The arc on one side of the cutter tends to pull in as it cuts.  This tends to reduce slop and make for a more precise cut.</p>
<p>The holder is tapered to fit into a tapered hole.  The drilled hole in the end of the holder was drilled with the same bit that became the cutter.  A pair of slices into the wood makes it grip the blade quite tightly when wedged into a tapered hole.</p>
<p>I even have a point for scribing instead of cutting.  I will make another holder to wedge a pencil into the hole as well, when I need it later.</p>
<p><img class="alignnone" title="Points" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2003%20points.JPG" alt="" width="800" height="780" /></p>
<p>The hole was drilled, and then I used a sanding fid to taper it.</p>
<p><img class="alignnone" title="Tapered Hole" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2004%20tapered%20hole.JPG" alt="" width="800" height="780" /></p>
<p>This is my sanding fid.  A drill bit pushed to hard into wood so it locked in.  Then the wood was turned to make a cone.  A slit was cut in the end.</p>
<p><img class="alignnone" title="Taper Grinder" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2005%20Taper%20Grinder.JPG" alt="" width="800" height="780" /></p>
<p>Now sand paper can be fed into the slit and wrapped around the cone.</p>
<p><img class="alignnone" title="Taper Grinder with sandpaper" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2006%20Taper%20grinder%20with%20sand%20paper.JPG" alt="" width="800" height="780" /></p>
<p>Once it is wrapped, is is ready to sand out a nice taper.</p>
<p><img class="alignnone" title="taper grinder wrapped" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2007%20taper%20grinder%20wrapped.JPG" alt="" width="800" height="256" /></p>
<p>The locking mechanism is simple, a threaded insert and a knob turned with a bit of brass thread and a nut epoxied into the end.</p>
<p><img class="alignnone" title="knob" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2008%20Knob%20setting.JPG" alt="" width="800" height="587" /></p>
<p>Opened up this can make a really big circle.  Best of all, it is rock solid stable once set into position.</p>
<p><img class="alignnone" title="radius marker opened up" src="http://toolmakingart.com/images/Head%20knives/Arc%20Scribe%2009%20opened.JPG" alt="" width="800" height="378" /></p>
<p>Bob</p>
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		<title>Making a Head Knife</title>
		<link>http://toolmakingart.com/2009/07/20/making-a-head-knife/</link>
		<comments>http://toolmakingart.com/2009/07/20/making-a-head-knife/#comments</comments>
		<pubDate>Mon, 20 Jul 2009 13:00:00 +0000</pubDate>
		<dc:creator>Bob Strawn</dc:creator>
				<category><![CDATA[Hand Tools]]></category>
		<category><![CDATA[Tool Box]]></category>
		<category><![CDATA[Tool Making]]></category>
		<category><![CDATA[Tools]]></category>

		<guid isPermaLink="false">http://toolmakingart.com/?p=1213</guid>
		<description><![CDATA[<p>Here is my endless  loop.  I make stuff to make stuff to make stuff.  Seriously.  I have a theory that a leather tool box might be ideal.  In any case I want to experiment.  One thing that I need for this is a few leather tools.  A lot I have bought, but one of the [...]]]></description>
			<content:encoded><![CDATA[<p>Here is my endless  loop.  I make stuff to make stuff to make stuff.  Seriously.  I have a theory that a leather tool box might be ideal.  In any case I want to experiment.  One thing that I need for this is a few leather tools.  A lot I have bought, but one of the tools that I want can be fairly expensive for one as nice  as I want to have.</p>
<p>I want a top notch, none better head knife.  Sadly the economy is destroying my economy, so to afford a great tool, I will have to make it.</p>
<p>To start with, fortunately, I have a bit of Classic NOS Sheffield O1.   Best stuff for holding a great edge, and stropping easily, so the next step is laying it out.  I usually make a couple of tools at a time,  in case I mess up.  In this case,  I decided to go ahead and make a few.  Since I have scant leatherworking knowledge, I may make a few mistakes on the way.</p>
<p>Here is my initial layout.</p>
<p><img class="alignnone" title="Head Knife poor layout" src="http://toolmakingart.com/images/Head%20knives/Head%20Knife%2002%20marked%20out%20too%20tight.JPG" alt="" width="800" height="531" /></p>
<p>Sadly the cuts were not going to work with the tools I have at hand for cutting.  I had to make a less efficient layout that I could actually cut.</p>
<p><img class="alignnone" title="Head Knife Better" src="http://toolmakingart.com/images/Head%20knives/Head%20Knife%2001%20Marked%20out%20possible.JPG" alt="" width="800" height="531" /></p>
<p>As this is nice tool steel, I tried to cut out to make good scraps for other tools.</p>
<p><img class="alignnone" title="Making decent scraps" src="http://toolmakingart.com/images/Head%20knives/Head%20Knife%2003%20Cut%20to%20make%20good%20scraps.JPG" alt="" width="800" height="531" /></p>
<p>After drilling and cutting, they are beginning to look more like head knives!</p>
<p><img class="alignnone" title="Almost cut out head knife" src="http://toolmakingart.com/images/Head%20knives/Head%20Knife%2004%20Cut%20to%20Shape.JPG" alt="" width="800" height="531" /><br />
Now I need to be able to mark a center point of the blades arc and perfect the blade to that arc.  This will enable me to rig a jig to sharpen it more easily later.  This means, I need to be able to scribe a consistant line from a center point.</p>
<p>So I need to make a tool for that purpose.  Fortunately the Texas heat has cooled down a bit this week.</p>
<p>Bob</p>
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