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Anyone used this type of extrusion profile fitting?

Posted by alan richard

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alan richard

Anyone used this type of extrusion profile fitting?
December 06, 2014 02:43PM

Registered: 10 years ago
Posts: 158

Hi.

Can anyone comment on using either of these types of corner connector?

cubic_zpse164d038.jpg

corner_zps341023bf.jpg

Pro's Con's? Easy to tweak the angle or good for setting a 90 degree corner?

Any (dis)advantage over using just an angle bracket and overlapping sections of profile.

Thank you.

a

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alan richard

Re: Anyone used this type of extrusion profile fitting?
December 06, 2014 03:05PM

Registered: 10 years ago
Posts: 158

I asked the supplier [www.aluminium-profile.co.uk]
they said
"
Cubic connectors or right angle brackets are suitable for connecting but sometimes the brackets can be a hindrance as the fit internally on the frame. So it depends really what your application is.
"
A bit vague and I'm waiting for a reply to another enquiry.

a

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runninfarmer

Re: Anyone used this type of extrusion profile fitting?
December 08, 2014 06:28PM

Registered: 10 years ago
Posts: 105

I designed my own variant for 30 mm extrusion:
[www.thingiverse.com]

printer1.jpg

printer2.jpg

If you print close to 50-100% infill they're pretty strong.

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alan richard

Re: Anyone used this type of extrusion profile fitting?
December 10, 2014 10:21AM

Registered: 10 years ago
Posts: 158

Ooh. That looks neat.

Shame I haven't got a 3d printer yet.
As I often say.

They work ok then? Keep it square ok?

Thanks

a

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runninfarmer

Re: Anyone used this type of extrusion profile fitting?
December 12, 2014 12:45AM

Registered: 10 years ago
Posts: 105

They seem to do a pretty good job. As long as you keep the infill high on them, they're pretty strong.

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zitman

Re: Anyone used this type of extrusion profile fitting?
December 18, 2014 09:39AM

Registered: 9 years ago
Posts: 60

Alan,

Have used both of those fittings and found them fine. The screws supplied with the open type will self tap into the holes in the end of the extrusion but I found it all went together easier if I tapped the hole first, but you can get by without doing that.

Z

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alan richard

Re: Anyone used this type of extrusion profile fitting?
December 21, 2014 05:47AM

Registered: 10 years ago
Posts: 158

Thanks Zitman.

I did buy some of the cubic connectors for 20x20. They do make for a tidy corner.

Those self-tappers are hard work, I chewed the heads up a little getting them in, wish I'd read your tip first.

I'm not sure if they're a better corner than an angle bracket though and my first attempt at assembling them produced quite a twisted non-square construction. I think ok if clamped flat and square.

Alan

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Alexander1984

Re: Anyone used this type of extrusion profile fitting?
February 03, 2015 04:56PM

Registered: 10 years ago
Posts: 189

I have used those 3-corner connecting cubes on various projects.
I can easily sit on one cube i built with them, so very stable^^

For a printer i can only suggest using 90° angles, as they give even more stability

Alex