80/20 Aluminum T-slot Building Systems – Build your Idea

by thunderbong • 3 years ago

333 140 3 years ago

strken• 3 years ago

I've been looking at aluminium extrusion videos on youtube for the past half-hour trying to work out how the dies have a circular void in the middle.

Turns out it's a second die (called a mandrel) that locks into the main die (called a cap), and the hot pressurised aluminium flows around the mandrel then forms back into one piece as it goes through the cap.

MengerSponge2• 3 years ago

It's the same as pasta, but with different temperatures and tolerances!

iancmceachern3• 3 years ago

The coolest part (pun intended) is how they cool the semi-melted aluminum after extrusion, in long tanks of water, that have no sides, the sides are made from water pressure made from directing water flow.

engineer_22• 3 years ago

Please provide a link, this sounds insane

raisedbyninjas• 3 years ago

Same as the play-dough tube extruder.

rco8786• 3 years ago

Anybody into sim racing will be intimately familiar with this system. Very strong, very versatile.

philjohn• 3 years ago

Came here to say the same thing. So many pre-made kits using it, and plenty of people who DIY a sim racing cockpit with it. SimRacingGarage has reviewed some 6DOF rigs which use 8020 at their core.

pitched2• 3 years ago

The reason I haven’t used these for a few past projects is that they can’t quite hold up under human-scale weights (1). Would be awesome to have something like this but steel!

1: https://us.misumi-ec.com/pdf/fa/2010/p2433.pdf

MengerSponge2• 3 years ago

I've used all kinds of 8020 frames for things much larger and heavier than humans. You just have to use larger cross-section members: https://www.facebook.com/229125947114533/photos/pb.100063454...

pitched2• 3 years ago

That’s what the chart I linked says. To stand on a 1m length suspended on both ends, a 2060 might work but a 2080 should be safe. That’s just a bit smaller than a much cheaper wooden 1x4 though.

toss1• 3 years ago

I've used 80/20 for a number of projrcts, but for a larger project I found this steel square/rectangular tube system from Flex Craft works well. No relation other than satisfied customer. The people are also great to work with.

[0] flex-craft.com

kris_wayton2• 3 years ago

The chart doesn't seem to account for the profiles that only have a slot on 1 or 2 sides versus all 4. I would guess those are quite a bit stronger. Like this one: https://8020.net/media/catalog/product/cache/9208ae76a38c408...

Edit: Their calculator shows the same exact deflection with the same weight, so maybe not, though that seems odd to me. https://8020.net/deflection-calculator

johnwalkr• 3 years ago

That’s only really useful to compare sizes. Normally you just build your structure with as many supports etc as needed. And 30 degree, 60 degree, 90 degree etc connecting pieces are standard to add support struts.

zeroping2• 3 years ago

You might look into Unistrut or the other compatible steel strut channel.

quickthrowman• 3 years ago

You’re looking for metal framing channel aka Unistrut (brand name) aka strut (trade name). 12 ga steel is going to be far stronger than extruded aluminum. It’s heavily used in commercial and industrial construction.

viciousvoxel• 3 years ago

Great to have another T-slot build system. Seems slightly pricier than Makerbeam but a lot more profile sizes and options in general. I wish there were more kits in their catalog.

542458• 3 years ago

80/20 has been around since the late 80s, and are kinda the “classic” brand-name in aluminum extrusions. Popular for trade shows and the like. They tend to be on the more expensive side compared to Misumi or other brands, but you can sometimes find them cheap used on Craigslist.

kris_wayton2• 3 years ago

There's a US anti-dumping embargo on extruded aluminum, which seems to keep the price high.

neilv• 3 years ago

One of my startups used 80/20 successfully for the mechanical structure of our networked factory stations (along with industrial PC and sensors).

Designed, tested, refined&tuned, and built in Cambridge (USA). Then broken down simply, to fit in a few pieces in boxes for flight, and reassembled at the factory in Asia.

chiefalchemist3• 3 years ago

Intriguing. But the concept is new to me, and I found the site not very n00b friendly.

My initial questions are:

Can I use it to build a greenhouse? And how much would that cost?

I couldn't find anything comparable, and left.

tinco• 3 years ago

You could but it would be extremely expensive, and not as strong as a steel construction. If you are building a robot that tends to the plants in your greenhouse however, this is a great material to both build the skeleton of the robot, and the structure that holds your plants. It allows you to quickly prototype in a very precise and lightweight manner.

chiefalchemist3• 3 years ago

Thanks. Still intriguing, but now for other ideas / projects. I wish the site was more transparent on their sweet spot.

himinlomax• 3 years ago

Simple square aluminium tubing would be cheaper and with similar characteristics for this application. You can assemble them quite easily with a drill and bolts/nuts/washers of the appropriate size.

The advantage these profiles have is that they are more precise, are more easily adjusted and allow for a wide range of connections.

convolvatron2• 3 years ago

Add a portable bandsaw to your collection and raw stock is probably ultimately more adaptable

rjohann• 3 years ago

I call it lego for the industry. Many 3d printer frames are made of it. Sim racing rigs are made of it.

elteto• 3 years ago

I call it legos for adults, with the price tag and everything ;)

sschueller2• 3 years ago

I would argue that LEGO is more expensive, way more expensive.

leobg• 3 years ago

So what would be a LEGO for adults without the price tag?

Quequau• 3 years ago

I wonder how much outfits like Send Cut Send are eating into 80/20's market share. I know I've used laser cut sheet stock for a few projects that probably would have used aluminium extrusions in the past.

doctorwho42• 3 years ago

Probably not as much as Chinese extrusions have. You can find some pretty cheap and compatible aluminum extrusion on the internet these days. Ebay used to be the best, but now there are dedicated websites and everything. Extrusions have never been cheaper

fbnlsr• 3 years ago

Are you sure? I've been looking at getting myself a sim racing rig made of aluminium extrusion and prices have skyrocketed in the past couple of years.

I'd love to get some links on those cheaper extrusion websites you're talking about.

ama5322• 3 years ago

I doubt much if we think decades. Sheet stock has always been used in conjunction to modular systems such as these, via manual or CNC machining (slots and holes are trivial to do). The advantage of a modular system such as these is the ability to build a scaffold with only straight cuts and a few off-the-shelf connectors.

In most cases you need a sheet metal press to form a scaffold out of _just_ sheet metal.

For anything structural (ie: when thickness matters), the price of custom-cut sheet stock is not that competitive anymore.

The price of machine-cut metal sheet has dropped quite a bit the last years though. I think it's filling a new niche, not really replacing the space of modular extrusions.

sschueller2• 3 years ago

These types of aluminum extrusions have been used for many years (at least in Europe) in many industries to build all kinds temporary to more permanent structures [1]. Also the reason they ended up in 3d printers as they have been used in other CNC type setups.

Oddly enough the Wikipedia article is very thing and not even available in English [2]

[1] https://www.kanya.com/fileadmin/_processed_/3/1/csm_kanya-ag...

[2] https://de.wikipedia.org/wiki/Konstruktionsprofil (German)

Dries007• 3 years ago

I think this is the equivalent page:

https://en.wikipedia.org/wiki/T-slot_structural_framing

rasz• 3 years ago

I just merged them in wikidata

phasetransition3• 3 years ago

If 80/20 is new to you, then you might also be unfamiliar with its steel channeled cousin, Unistrut. https://www.unistrut.us/

Unistrut is used extensively in the US to build support structures for electrical switchgear and process equipment. You can get grades suitable for outdoor and corrosives exposure.

Unistrut is the Kleenex term, there are a number of work-alike / fit-alike systems.

Then for round tube, there is Kee Klamp: https://keesystems.com/

zeroping2• 3 years ago

Good to keep alternatives in mind. I have found unistrut significantly cheaper when you want to build larger scale or stronger stuff. It's not super versatile, but can still do a lot.

phasetransition3• 3 years ago

I've used Unistrut and adjacent (flex-craft) more than 80/20. They all have good use cases.

rambambram• 3 years ago

I love the Kee Klamp system (or just 'steigerbuis' as we call it here in NL). I built furniture with it in the past, and also a bicycle caravan (https://www.theredpanther.org).

sitkack2• 3 years ago

If you have a hood welding hood with forced air, EMT is fairly easy to weld with a gas shielded MIG welder. Makes very rigid structures.

alanbernstein• 3 years ago

For lighter duty, there is maker pipe: https://makerpipe.com/. it's nice because the bulk of the system is electrical conduit, which I think is one of the cheapest type of beam/tube available.

cwillu• 3 years ago

Hmm, especially handy given how simple emt is to bend (hand tool available from any hardware store that sells emt)

phasetransition3• 3 years ago

Kee Klamp for EMT, cool.

123pie123• 3 years ago

I like this stuff - thanks for sharing

SECProto• 3 years ago

electrical conduit, which I think is one of the cheapest type of beam/tube available.

There have been pretty serious PVC conduit shortages for the last year or two. In construction projects I've worked on, they've had to uprate to (much more expensive) fibreglass conduit as PVC was simply not available.

Blackthorn• 3 years ago

I knew about 80/20 but this is the first I've heard of unistrut. Thanks.

lazide2• 3 years ago

FYI, most hardware stores will have a selection in their electrical aisle, along with basic threaded connections for 1/2”, 3/8”, and 1/4” bolts, angle connectors, etc.

jameshart• 3 years ago

Another extremely flexible lighter-weight structural tube fitting standard that’s widely available is the 1.5” tubing used for drum racks. Not sure if there’s a broader standard that the musical instrument industry is building off there.

Was pleasantly surprised recently to find that the same diameter of fittings was used in an adjustable monitor stand, so if you wanted to mount a cowbell above your dual screen mount the fittings are easily combined.

FatActor• 3 years ago

Depends on the job. Cutting unistrut is far more challenging than 80/20, it weighs a lot, and the connectors are expensive because they are engineered to bear significant loads. 80/20 is a little pricier per foot but it is much, much easier to work with for applications that don't need to withstand a nuclear strike.

peteradio• 3 years ago

Not sure if the throat is large enough but a portable electric bandsaw would be able to chew through the unistrut steel and in the jobs I've used them on they are precise enough.

samtho2• 3 years ago

I used to work in construction and the electrical trade. I’ve shown so many people the power of this seemingly esoteric item in the electrical aisle at Home Depot. It’s so flexible and you disassemble it with one or two tools depending on which fasteners you use.

nimajneb2• 3 years ago

I just put the metal strut in my Honda Ridgeline truck as rails to attach tie down stuff to. Hopefully it works well for me.

thecrumb• 3 years ago

Got details? I have a ridgeline as well and was curious about doing something like this with a track.

thetinguy• 3 years ago

Also open builds v-slot is excellent https://openbuildspartstore.com/v-slot-linear-rail-1/

mturmon• 3 years ago

Unistrut (“strut”) also has trolleys that roll in the track (1). Very useful for overhead roller systems in a workshop. Be very mindful of fastener clearances if installing one.

I don’t have the handheld, portable bandsaw (“portaband”) that tradespeople usually use to cut strut, so I use a grinder with a cutoff wheel (noisy) or a sawzall with a metal cutting blade (more civilized).

(1) https://unistrutstore.com/1-58-metal-framing/unistrut-p2750....

c_o_n_v_e_x• 3 years ago

Unistrut is the Kleenex term, there are a number of work-alike / fit-alike systems.

This triggered a 20 year old memory. A former colleague used to refer to unistrut as kindorf. He was the only person I've ever met in 15+ years of engineering and construction to call it something besides Unistrut. It still bothers me.

iancmceachern3• 3 years ago

Also check out Misumi. They will cut it to length, tap, drill holes, etc all just by configuring it woth part numbers. They Lso have pre made assemblies, you can get it in black anodized, and the pricing can't be beat, it's an order of magnitude less than other suppliers when you get the customizations.

Also check out Vention, they'll design and build a whole machine for you using the stuff

lvl102• 3 years ago

Misumi is the only answer if you are building something with precision. Also checkout accu.co.uk.

joshvm2• 3 years ago

Accu are fantastic. They also have European sites and maybe more? Always my goto if we need weird screws and they will also make to order if you need something special.

Edit : I would guess McMaster fills this role in the US, so it's nice to have an alternative here. Also they have a lot of non-standard lengths and things like tiny M2s or even smaller. We used them all the time for machine vision products (cameras often use M2 frame mounts, lenses with itty bitty grub screws).

willis936• 3 years ago

A coworker of mine told me about Misumi last week. They're pretty amazing and the prices are surprisingly great.

joshvm2• 3 years ago

They're pretty common in the 3D print industry. Also check out IGUS, who also do a lot of custom rails/rods. They're probably most well known for their plastic Drylin bearings. The prices are also reasonable for what you can get.

I've been meaning to get some stuff from Makerbeam too, who make 10x10 mm extrusion at a good price (not sure who else makes small width stuff). Oozenest in the UK has a good range.

sircastor2• 3 years ago

Many years ago, they had a deal running where if you were a new customer they were willing to send you something like $150 worth of materials for the cost of shipping. I bought some 1515 extrusions to build my second 3D Printer, along with some linear rail. It was really great.

ddulaney• 3 years ago

A former employer swore by FramingTech: https://www.framingtech.com/

Their super power was that you could ship them a SolidWorks file with assembly steps marked, then they would bag all of the parts by step (i.e. for step 1 in the build book, use all the parts in bag 1). Also, if you throw money at them you can get it shipped next day, which is a good option to have.

tootie• 3 years ago

I've used openbuilds before. They sell all sorts of aluminum rails, wheels, brackets and motors. And they have a community of designers posting builds for all sorts of machines.

https://openbuildspartstore.com/

w4rh4wk5• 3 years ago

We've used Misumi for a small-scale project and the quality / price ratio was quite good. Would order again from them.

furazoball• 3 years ago

More modern equivalent to 8020 - https://vention.io - really great way to get started developing an idea!

mhb• 3 years ago

What does more modern mean?

waste_monk• 3 years ago

More modern = the same thing as existing products but the surface is anodised blue, by the look of it.

sgt• 3 years ago

I recently used aluminium extrusions to build a window. Built a "perfect" frame, stuffed glazing putty into the spaces, then fit a glass in, which I had cut to size. Needed a DIY job as it was just for my garden house. There's more to a proper window than just the glass and frame.

14• 3 years ago

Last I checked it was hard or expensive after shipping and duty to get this stuff. I am on Vancouver Island and would love to get some of this stuff. Made me even consider starting a business selling it.

elkos• 3 years ago

There's a 80/20 DIY Azimuth/Elevation rotator design by the SatNOGS team: https://wiki.satnogs.org/SatNOGS_Rotator_v3

If you have access to a 3D printer and want to build a Az/El rotator suitable for LEO satellites it could be a great weekend project.

(You don't have to connect it to the SatNOGS network https://network.satnogs.org of course, and you don't need to build that to participate in the project)

maineiac2• 3 years ago

Signed back in for the first time in... years... to add that a lot of DIY van / overlander builders are using this stuff! I opted for the cheaper but almost-as-good TNutz.com manufacturer for my build. Slightly different alloy but totally valid for my needs. If you're considering building a van, check out Seven-O-Savage on youtube:

How to build a van with 80/20 https://www.youtube.com/watch?v=XqiroMdqZ0Y

harryvederci• 3 years ago

Puts wooden chair in house.

How to build a wooden house!

jorts• 3 years ago

So weird I for the first time ever was looking at 80/20 for overlanding and this ends up on HN.

maineiac2• 3 years ago

What's your project gonna look like?!

am_lu• 3 years ago

For small stuff there is also makerbeam, 10x10mm sized, uses M3 fasteners. https://www.makerbeam.com

techdragon2• 3 years ago

Unfortunately it’s prohibitively expensive for larger “intricate” work projects. Otherwise it’s good stuff. Just a little more expensive than I’d like per linear meter.

js2• 3 years ago

As an example of how you can use this stuff, here's a home-theater screen frame with built-in horizontal masking, and plans on how it could be extended to 4-way masking:

https://www.avsforum.com/threads/smx-simple-masking-experien...

post_break• 3 years ago

Try tnutz.com. I found them much cheaper for building stuff. They cut it for you as well. Had to build some stuff for my truck and they were the cheapest.

shlubbert• 3 years ago

Love these guys and used them multiple times to build small structures. McMaster-Carr (obviously) also has a ton of handy connectors and fasteners: https://www.mcmaster.com/t-slotted-framing/

hsnewman• 3 years ago

Thanks! I'm going to build a bike cart and although Wize has a kit, I would rather use my design, this info will help greatly!

tguvot• 3 years ago

Spent last couple of weeks browsing this site and other 80/20 sites. There is an online cad program specially made for 80/20 https://item.engineering/AUen/tools/engineeringtool/ . And some guy who makes woodworking jigs from extruded aluminum https://www.youtube.com/@jisakukobo/videos

andrewdubinsky• 3 years ago

Is this just an ad?

techdragon2• 3 years ago

With all the recommendations flying around, I’d like to seek the collective wisdom’s advice, as I’ve been looking for suppliers anywhere in the world that make these kinds of metal construction framing systems that either make locally in my country or state, or have low bulk shipping to it. I’ve been trying for ages to find a way to avoid the significant markup to ship these sorts of heavy metal items to Western Australia. I’ve even been keepin regular tabs on local metal extruders and the few theatres have extruders in state are pretty much entirely making things for the housing/building construction industry and a couple of standard garden/industry forms like tube triangle, square, star picket, etc…

Anyone got advice on good suppliers local or global? I’m happy waiting a month or three for stuff to arrive from anywhere on the globe if it means I don’t spend 15-25% on shipping.

ur-whale• 3 years ago

I you're close to the EU, I recommend these guys:

https://www.motedis.com/en

They'll pre-cut everything you need and send it to you.

If you're into aluminum extrusions, here's a sample:

https://www.motedis.com/en/Slot-profiles

DoingIsLearning2• 3 years ago

When I was a teenager I used to improvise prototypes at home with those generic Meccano sets (small prototypes where the stifness of extrusion frames wasn't needed).

Is there any modern equivalent? If I look for Meccano nowadays it seems to have gone the way of Lego, where you only have prescribed construction sets, haven't found generic parts sets.

Is there any modern equivalent of Meccano for such an application?

shagie2• 3 years ago

Are you looking for https://www.fischertechnik.de/en/

Things like https://www.amazon.com/fischertechnik-Creative-Box-Basic-Plu...

And while many of the kits are "you can build this"... the interesting stuff is at https://www.fischertechnik.de/en/simulating - things like Training Factory Industry 4.0 24V with PLC connection board https://www.fischertechnik.de/en/products/simulating/trainin...

p_l• 3 years ago

Looks interesting, but uses way more I/O than I expected :O

sircastor2• 3 years ago

I have piles (4 boxes!) of Fischer Technik in my garage that belonged to my father. He always loved it as a prototyping toy, and thought it to be a much better system than LEGO - which it probably was for construction, but not for kids randomly playing with stuff. I'm not really sure what to do with it all these days...

jbay8082• 3 years ago

In Japanese hardware stores last year I spotted a new type of aluminum extrusion called "G-fun" by the "SUS" company, which is vastly superior in terms of rigidity and interconnection options:

https://g-fun.jp/

However, I can't find it anywhere in North America.

jbay8082• 3 years ago

(Addendum: If you're wondering what makes it more rigid than traditional X-shape extrusions, it's partly because the joints are well designed, but mostly because the torsional rigidity of a thin-walled section is proportional to the square of the enclosed loop area):

https://ocw.mit.edu/courses/16-20-structural-mechanics-fall-...

joshe• 3 years ago

This might be the US version:

https://leanfactoryamerica.com/brand/green-frame/

The site mentioned "green frame" and googling found this, seems to be a licensor, since they have a brochure with "SUS" on it.

Looks cool, thanks for mentioning it.

numpad0• 3 years ago

That cross section looks like an …

nl• 3 years ago

This looks amazing. The range of connectors is fantastic too.

I wish I could read Japanese instead of clicking random things though.

chendii• 3 years ago

The popular open source option is www.openbuildspartstore.com Availible via many resellers worldwide and even cloned.

sitkack2• 3 years ago

The extrusion profile is Open Source, so not clones.

londons_explore3• 3 years ago

I want this, but I don't want to pay much more than the raw aluminium cost.

The cost of pushing aluminium through an extrusion die is nearly zero. The die cost isn't much anymore in the world of cheap CNC machining. And the R&D costs for coming up with the shape shouldn't be high (and already paid off years ago).

So why is that stuff still so expensive??

jvanderbot• 3 years ago

Demand. It's ubiquitous. I've seen it in every prototype or mockup or early version of every larger-than-a-breadbox system I've worked on. It's used for lighting, sound systems, camera mounts, even shelving in some cases.

Whenever two or more engineers get together to design something, 80/20 is there in spirit at least.

simontheowl• 3 years ago

By that logic, the lego sets we buy for our kids should also be the cost of plastic ;)

DoingIsLearning2• 3 years ago

So why is that stuff still so expensive??

Bosch Rexroth.

Bosch's extrusion profiles are what people at big co's who need stiffness and don't care about price tag will buy.

My guess is that Bosch warps the whole market up and the competion follows.

acyou2• 3 years ago

You used to be able to buy a basic extrusion die in China for $500 and off to the races at $0.80/lbs extrusion cost with 500kg MOQ.

Wonder if there's patent protection on the US sale of that profile?

You still have to cut it, ship it, distribute it, sell it. If you were buying 500 kg, you too could probably find a way to get it cheaply made.

As a counterexample, I will say:

The cost of typing characters on a keyboard is nearly zero. So why is software still so expensive??

londons_explore3• 3 years ago

Remember it isn't quite a basic extrusion die because it has a hollow in the middle. I assume that at least requires some fancy 3d shape.

londons_explore3• 3 years ago

The patent expired in 2013. (US5429438A)

I wonder if just nobody noticed?

hinkley• 3 years ago

There’s a guy on YouTube who makes conversion vans using this stuff. He has figured out a bunch of tricks with it, but the one thing I feel like he hasn’t figured out is that he’s losing a cubic foot per cabinet by not exploiting the void behind the posts.

IshKebab• 3 years ago

The best place I've found in the UK to get aluminium extrusion is KJN aluminium: https://www.aluminium-profile.co.uk/

They do Item and Bosch-Rexroth compatible extrusions for a reasonable price. I'd probably go with Item because the official BR stuff is a rip off and sooner or later you might want to buy "official" parts.

steaktartaar_• 3 years ago

I've been building out my sim racing setup with 8020 for the past three years. It's a goodsend if you want to build something durable, fast and cheap but can't work wood.

LightRailTycoon• 3 years ago

If you live near a Grainger or other industry supplier that will sell to the public, it’s much cheaper without shipping.

s1mon• 3 years ago

If you need to build a CAD model of 8020 frames, Onshape is a collaborative, cloud based system which is a bit like Google docs and Github for mechanical CAD. There's a bunch of tools to create frame systems and they have the 8020 frame profiles built in.

https://www.onshape.com/en/features/frames https://www.onshape.com/en/blog/announcing-onshape-frames

sam_goody• 3 years ago

The wooden GridBeam system was trending a few hours ago, and I assume it reminded someone to post this.

But if you missed it, and these things interest you, check that out as well: https://news.ycombinator.com/item?id=34565675

gambiting• 3 years ago

Ah, so that's what these are called! My 3D printer(ender 5) is made out of these and I could never find the name of those metal bars!

mgarfias• 3 years ago

Do what I did: buy a Multiprocess welder

antoniuschan99• 3 years ago

There’s also 2020 which are thinner. I used those to build an aluminum enclosure and also as a frame for a 2-axis machine.

https://www.instagram.com/stories/highlights/182267530871241...

aetherspawn• 3 years ago

Don't ... tempt me.

I'm looking for a soft ute canopy (i.e. canvas) that is both strong enough to put ladder racks on top, but lightweight and easy enough to remove. Surprisingly, there are not too many options. Those that are available in Australia for my ute (ISUZU D-MAX), have really low load limits i.e. only 40kgs or so.

I think 80/20 could be a good solution, if I was better with my hands. There seem to be quite a few options for locks and quick releases.

Would make it very easy to add shelves and sliders.

dirtyid• 3 years ago

There needs to be an industrial meccano simulator game to mess around with all these systems, along with bamboo scaffolding.

anonymous344• 3 years ago

Would love to see something like this in europe (uk not included because of customs) the induvidual beams that is available costs more than 30eur/meter so impossible to diy anything with low budget

moffkalast• 3 years ago

Yeah same, I've tried finding them in local stores a long while ago and all of them basically looked at me like I'm asking for a moon rock or something.

bitschubser_• 3 years ago

where do you live? At least here in germany there are some sites selling B- and I- Type (Bosch/Item) compatible aluminium profiles for ~15eur/m with custom lengths (the heavy duty B-Type 45x45) I personally build most of the stuff out of these profiles, easy, sturdy and reusable

supermatt2• 3 years ago

What are the options for similar supplier in the EU?

supermatt2• 3 years ago

im answering my own question here, but it seems https://uk.misumi-ec.com/ is one of the more competitive options

JRandomHacker42• 3 years ago

I've used 8020 to custom-fab my Perfect Monitor Stand: it holds either three widescreen or two ultra-wide displays, has two attachment points to the desk, and has the minimum possible depth to keep the monitors as far as possible towards the back of the desk. It wasn't cheap, but it's solved basically all of my monitor layout issues.

80/20 Aluminum T-slot Building Systems – Build your Idea

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