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        <title>Off head extruder/feeder</title>
        <description> Anyone tried feeding the filiment from off the head through something like Mig gun liner - ie same way a Mig welder does it?

Wondering if by doing this, you could maybe feed more than one filiment into an adapted hotend, enabling you to switch colours/filiment types during print.

or is this going to cause some loss of control/add some lag into the system, reducing acuracy/cause other problems.</description>
        <link>https://reprap.org/forum/read.php?70,100647,100647#msg-100647</link>
        <lastBuildDate>Thu, 15 Oct 2026 16:54:33 -0400</lastBuildDate>
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        <item>
            <guid>https://reprap.org/forum/read.php?70,100647,100738#msg-100738</guid>
            <title>Re: Off head extruder/feeder</title>
            <link>https://reprap.org/forum/read.php?70,100647,100738#msg-100738</link>
            <description><![CDATA[ se5a Wrote:<br />
-------------------------------------------------------<br />
&gt; Has anyone successfully done it with multiple<br />
&gt; filiments going into the same hotend?<br />
<br />
Not that I have seen, doesn't mean that it hasn't been done though.]]></description>
            <dc:creator>NewPerfection</dc:creator>
            <category>Plastic Extruder Working Group</category>
            <pubDate>Sun, 09 Oct 2011 15:22:51 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?70,100647,100679#msg-100679</guid>
            <title>Re: Off head extruder/feeder</title>
            <link>https://reprap.org/forum/read.php?70,100647,100679#msg-100679</link>
            <description><![CDATA[ Ah, so it's been done, and successfully too.<br />
<br />
Nice to know the name of it and can look into it further now. <br />
<br />
Erik looks like he's got some good documentation: [<a href="http://reprap.org/wiki/Erik%27s_Bowden_Extruder" target="_blank"  rel="nofollow">reprap.org</a>]<br />
<br />
<br />
Has anyone successfully done it with multiple filiments going into the same hotend?]]></description>
            <dc:creator>se5a</dc:creator>
            <category>Plastic Extruder Working Group</category>
            <pubDate>Sun, 09 Oct 2011 05:04:00 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?70,100647,100663#msg-100663</guid>
            <title>Re: Off head extruder/feeder</title>
            <link>https://reprap.org/forum/read.php?70,100647,100663#msg-100663</link>
            <description><![CDATA[ It's called a Bowden extruder, and has been used on many machines.<br />
See:<br />
[<a href="http://reprap.org/wiki/Huxley" target="_blank"  rel="nofollow">reprap.org</a>]<br />
and<br />
[<a href="http://blog.ultimaker.com/" target="_blank"  rel="nofollow">blog.ultimaker.com</a>]]]></description>
            <dc:creator>NewPerfection</dc:creator>
            <category>Plastic Extruder Working Group</category>
            <pubDate>Sun, 09 Oct 2011 02:51:30 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?70,100647,100647#msg-100647</guid>
            <title>Off head extruder/feeder</title>
            <link>https://reprap.org/forum/read.php?70,100647,100647#msg-100647</link>
            <description><![CDATA[ Anyone tried feeding the filiment from off the head through something like Mig gun liner - ie same way a Mig welder does it?<br />
<br />
Wondering if by doing this, you could maybe feed more than one filiment into an adapted hotend, enabling you to switch colours/filiment types during print.<br />
<br />
or is this going to cause some loss of control/add some lag into the system, reducing acuracy/cause other problems.]]></description>
            <dc:creator>se5a</dc:creator>
            <category>Plastic Extruder Working Group</category>
            <pubDate>Sat, 08 Oct 2011 21:32:13 -0400</pubDate>
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