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	<title>Bill&#039;s Tinkers &#187; RepRap</title>
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	<link>http://protovision.com</link>
	<description>I like to make stuff.</description>
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		<title>Tornado!</title>
		<link>http://protovision.com/2012/05/07/tornado/</link>
		<comments>http://protovision.com/2012/05/07/tornado/#comments</comments>
		<pubDate>Tue, 08 May 2012 01:26:09 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[golvend]]></category>
		<category><![CDATA[mendelmax]]></category>
		<category><![CDATA[tornado]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=657</guid>
		<description><![CDATA[Single walled print at 0.17mm layers, with a 0.25mm nozzle on a MakerGear hotend. Slic3r gcode parameters are after the pictures. ; generated by Slic3r 0.7.2b on 2012-05-06 at 01:09:14 ; layer_height = 0.18 ; perimeters = 1 ; solid_layers = 4 ; fill_density = 0 ; nozzle_diameter = 0.25 ; filament_diameter = 1.73 ; [...]]]></description>
		<wfw:commentRss>http://protovision.com/2012/05/07/tornado/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Hyperboloid v2</title>
		<link>http://protovision.com/2011/03/31/hyperboloid-v2/</link>
		<comments>http://protovision.com/2011/03/31/hyperboloid-v2/#comments</comments>
		<pubDate>Fri, 01 Apr 2011 05:24:04 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[3D printer]]></category>
		<category><![CDATA[firmware]]></category>
		<category><![CDATA[Makergear]]></category>
		<category><![CDATA[PLA]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=592</guid>
		<description><![CDATA[I recently switched to the Kliment fork of the TonokIP fork of the Hydra-MMM firmware. The tiny pauses between g-code segments are all but gone, and I&#8217;ve been re-printing some things to do before &#038; after comparisons. The black PLA-4043D Hyperboloid was printed with the Tonokip firmware, and the recent natural 4043D PLA was printed [...]]]></description>
		<wfw:commentRss>http://protovision.com/2011/03/31/hyperboloid-v2/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Hyperboloid</title>
		<link>http://protovision.com/2011/03/08/hyperboloid/</link>
		<comments>http://protovision.com/2011/03/08/hyperboloid/#comments</comments>
		<pubDate>Wed, 09 Mar 2011 06:58:36 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[Hyperboloid]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=581</guid>
		<description><![CDATA[Print of George Hart&#8217;s hyperboloid model from http://www.georgehart.com/rp/makerbot/makerbot.html]]></description>
		<wfw:commentRss>http://protovision.com/2011/03/08/hyperboloid/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Penrose Triangle</title>
		<link>http://protovision.com/2011/03/08/penrose-triangle/</link>
		<comments>http://protovision.com/2011/03/08/penrose-triangle/#comments</comments>
		<pubDate>Wed, 09 Mar 2011 06:28:42 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[penrose]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=574</guid>
		<description><![CDATA[]]></description>
		<wfw:commentRss>http://protovision.com/2011/03/08/penrose-triangle/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Oh Point Oh Eight</title>
		<link>http://protovision.com/2011/01/10/oh-point-oh-eight/</link>
		<comments>http://protovision.com/2011/01/10/oh-point-oh-eight/#comments</comments>
		<pubDate>Mon, 10 Jan 2011 18:38:32 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=549</guid>
		<description><![CDATA[I did a test print at 0.08mm layers, the smallest layer height I&#8217;ve attempted yet. I used a Makergear Plastruder, and black Ultimachine 4043D PLA. Skeinforge sliced it onto 187 layers. It was not a fast print, taking about 2.5 hours. Aside from a kind of smeary top layer, it came out ok. Pictures follow:]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Prusa Mendel set done</title>
		<link>http://protovision.com/2011/01/06/prusa-mendel-set-done/</link>
		<comments>http://protovision.com/2011/01/06/prusa-mendel-set-done/#comments</comments>
		<pubDate>Thu, 06 Jan 2011 08:07:54 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[Mendel]]></category>
		<category><![CDATA[Prusa]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=533</guid>
		<description><![CDATA[These two pulleys are the final print of a complete Prusa Mendel parts set I&#8217;ve been printing for a friend. It took about 3 weeks of evenings on &#038; off. Most of the parts were printed one at a time, I didn&#8217;t use the production parts files. The parts are now in the hands of [...]]]></description>
		<wfw:commentRss>http://protovision.com/2011/01/06/prusa-mendel-set-done/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Printed Chain</title>
		<link>http://protovision.com/2010/12/12/printed-chain/</link>
		<comments>http://protovision.com/2010/12/12/printed-chain/#comments</comments>
		<pubDate>Mon, 13 Dec 2010 06:57:18 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[prints]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=505</guid>
		<description><![CDATA[I made some links of chain, arranged just so that I could slip a previously printed link over two adjacent links, while they were still being printed. Purists may take exception, but I think it&#8217;s kind of cool. The links were printed with a 0.4mm MakerGear nozzle, using 0.26mm layers. All the &#8216;extra shells&#8217; settings [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Some recent prints</title>
		<link>http://protovision.com/2010/12/09/some-recent-prints/</link>
		<comments>http://protovision.com/2010/12/09/some-recent-prints/#comments</comments>
		<pubDate>Thu, 09 Dec 2010 18:32:27 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>
		<category><![CDATA[3D printing]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=498</guid>
		<description><![CDATA[I made a new Z-axis motor coupler, as I suspect the old one was slightly off-center &#038; causing wobbles to show in printed parts. The new one seems better, but I still have a little bit of wobble from a still undetermined source. Here are a few recent prints. I recently started using the &#8220;Dimension&#8221; [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Temperature control matters</title>
		<link>http://protovision.com/2010/09/16/temperature-control-matters/</link>
		<comments>http://protovision.com/2010/09/16/temperature-control-matters/#comments</comments>
		<pubDate>Fri, 17 Sep 2010 04:35:06 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[CNC]]></category>
		<category><![CDATA[Microcontroller]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[firmware]]></category>
		<category><![CDATA[RepRap]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=472</guid>
		<description><![CDATA[I thought the firmware I&#8217;ve been using had PID temperature control, but it turns out it was using a simple on/off thermostat routine that caused the extruder temperature to have big variations. Here are some prints of a RepRap Mendel part, basically a small cylinder. Due to the small size of the part quality really [...]]]></description>
		<wfw:commentRss>http://protovision.com/2010/09/16/temperature-control-matters/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Better bearings, better prints.</title>
		<link>http://protovision.com/2010/08/05/better-bearings-better-prints/</link>
		<comments>http://protovision.com/2010/08/05/better-bearings-better-prints/#comments</comments>
		<pubDate>Thu, 05 Aug 2010 16:50:42 +0000</pubDate>
		<dc:creator>Bill</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[CNC]]></category>
		<category><![CDATA[RepRap]]></category>

		<guid isPermaLink="false">http://protovision.com/?p=433</guid>
		<description><![CDATA[I&#8217;ve replaced my X axis, which was bronze bushings sliding on steel rod, with a recirculating-ball linear bearings and guide. The former X axis had enough play in it that you could feel it just by wiggling the print bed, and was affecting print quality quite a bit. Between my new extruder hot-end, this new [...]]]></description>
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		<slash:comments>0</slash:comments>
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