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I see tubing used all over the place in machines, but I do not know what it is called. The cross section looks somewhat like this drawn picture. Can someone clue me in on it?

Tubing

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    \$\begingroup\$ très artistique! :-) \$\endgroup\$ – stevenvh May 28 '11 at 12:21
  • \$\begingroup\$ I'm voting to close this question as off-topic because it is was never about electronic design, and keeps attracting spam making it not simply harmlessly off topic, but actively a detriment to the site. \$\endgroup\$ – Chris Stratton Oct 3 '19 at 1:25
  • \$\begingroup\$ @ChrisStratton: moving it to the likes of Engineering.SE might be a better option, as this question long predates the existence of many of the now better venues for this question. Perhaps a mod can migrate as the close options indicate it's otherwise too old. \$\endgroup\$ – whatsisname Oct 3 '19 at 6:10
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Structural aluminum extrusion:

http://www.8020.net/

http://www.minitecframing.com/ (my favorite)

http://www13.boschrexroth-us.com/framing_shop/

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  • \$\begingroup\$ There are many manufacturers and suppliers. It is commonly used in mocking up industrial fixtures and even on production machinery. \$\endgroup\$ – Jim C Jan 14 '11 at 20:30
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T-Slot is the name I recognize it as. I assume there are also generic T-slotted aluminum extrusions available as well.

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While you're probably looking at "full size" structural extruded aluminum T-slot, for completeness I'm going to mention miniature versions:

MakerBeam is developing the Mini-T standard for open source hardware. http://www.makerbeam.com/

MicroRAX a light weight mini T-Slot building kit. http://www.microrax.com/

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Would Fischertechnik not do the job?
Fischertechnik

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