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3D printing... and you!
show user profile  Bolteon
hello friends and 3D family...

so, with my little escape of the 3d world into the world of design not being loved enough for some serious funding through kickstarter; i'm putting together a 3D printer to help me keep working on stuff i want to make and bring to market...

in the end, when people don't support you in your efforts; you find ways to make it work regardless.

so; after some research, i'm kinda set on mendel max:

the reasoning i'm going with this particular type of build is that it's based off of rather rigid and structurally apt extruded metal rather than cardboard/pipes.

for a measly 700USD the BoM seems pretty reasonable and gets you a $3k printer after some time and work on your own.

anyone have any suggestions, comments, cautions, etc? i've never built something like this before and while i'm not too worried about it; never hurts to ask for a bit of help...

cheers all.

-Marko Mandaric

read 764 times
2/7/2012 2:46:12 AM (last edit: 2/7/2012 2:46:33 AM)
show user profile  ccampbell
My only caution would be that they are hard to maintain.

$Entrepreneur = if((Designer + Engineer)*Programmer){Problem Solver};

read 725 times
2/7/2012 7:50:56 AM (last edit: 2/7/2012 7:50:56 AM)
show user profile  jareu
sounds like a cool project. Would it run on a G-code system? or is there a software specially for driving extruders?

He who says it cannot be done is interrupting the man doing it.

read 715 times
2/7/2012 8:37:09 AM (last edit: 2/7/2012 8:37:09 AM)
show user profile  Octopuzzy
Why don't you just send in your phone cover to a printing service rather then building a 3d printer?
I think your kickstarter project didn't become successful simply because the product already exists.

read 694 times
2/7/2012 11:38:58 AM (last edit: 2/7/2012 11:38:58 AM)
show user profile  soontekk
indeed, i would not pick this route Bolts, it means wasting time and money on something that might/not work or be to hard to maintain.
contact a local printer and play with them, focus you resourses and time in the development / marketing rather than becoming a frustrated handyman.

Maybe invest in a lowcost prototyping printer that will do what you need

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /

read 683 times
2/7/2012 11:58:55 AM (last edit: 2/7/2012 11:58:55 AM)
show user profile  advance-software
make one, cheapest/easiest route, demo on kickstarter or to potential investors.

get a bite, take it forward. if no-one else wants one, you've got one which you wanted anyway.

any other route forwards is unnecessary risk unless you want a 3d printer for the hell of it or for other projects.
read 678 times
2/7/2012 12:09:42 PM (last edit: 2/7/2012 12:09:42 PM)
show user profile  adammichell
love 3D printing, did my degree in Product design and used it quite a bit and based my dissertation on it. You seen this site?

There's a guy in the US called Anthony Atala who is printing organs, definitely something I want to get into. He's done a couple of TED talks but the tech is awesome, loads of potential.

read 660 times
2/7/2012 2:52:14 PM (last edit: 2/7/2012 2:52:14 PM)
show user profile  bonzepeet
I looked into this a while back, thinking it might be a fun investment and a possible extra revenue source, but I eventually decided to give up on it for the time being. I think a lot of these diy machines are great for very simple prototyping but don't offer the kind of fidelity you'd need for producing much beyond a simple proof of concept.

To get the kind of resolution I'd need for the kind of stuff I wanted to do - little character sculpts, complex organic shapes, multi-part objects, etc - I'd have needed to have gone close to and way over the ten thousand mark just for something that could make anything that I could actually use to make a mould from.

I figured in the end, if I was just going to low-res prototype then there's no point going much beyond a super basic cheap-ass diy rep-rap, otherwise I'm just in that unhappy expensive medium, not to mention all the maintenance costs and materials. And iif I ever wanted something for finals I'd hit up a specialist printer.

But this was a while ago now, I'd be very interested to see if you can find a good quality low-cost printer that kicks out at a decent res with no warping or tearing. I guess things are moving on pretty quick with this stuff!

read 648 times
2/7/2012 3:12:44 PM (last edit: 2/7/2012 3:12:44 PM)
show user profile  Bolteon
i should have mentioned that there's about 10 projects that i need a 3d printer for...

personally, after reviewing everything and seeing the fidelity of a 10k printer; i have a feeling it's feasible to build a 10k printer for 1k if you do it yourself.

in the end, it's just a few stepper motors moving around a platform with an extruder melting plastic for you. biggest issue i've noticed around is that few if any of the build it yourself deals use a 400 step motor instead of the less accurate 200 step motor. makes a huge difference in terms of resolution.

ideally, i'd find a way to get micro-stepping integrated. then you can have 960 divisions per full turn. that gets down into the low .1's millimeter wise.

-Marko Mandaric

read 621 times
2/7/2012 8:15:12 PM (last edit: 2/7/2012 8:17:47 PM)
show user profile  bonzepeet
I'm mechanically inept when it comes to any of this stuff, but I'm gonna ask some dumb questions now, seeing as it's all fresh in your head!

Part of the issue I saw with the motors last time I looked was trying to maintain a speed/heat balance so you didn't melt the materials or allow them to cool too quickly during steps. Are 400 step motors any slower or can you still run them quickly without putting out too much heat? And are they significantly more expensive than the 200's or are people's builds more about the 'rapid' aspect of prototyping?

read 608 times
2/7/2012 9:40:52 PM (last edit: 2/7/2012 9:41:08 PM)
show user profile  killerbee2
quite interested in how this kind of performs and result.
Maybe if you buy one, print another one for me ?

read 581 times
2/8/2012 12:26:15 PM (last edit: 2/8/2012 12:26:15 PM)
show user profile  Nik Clark
We've got a RepRap here.

The device is more temperamental than a chocolate-starved women on her period during a full moon.

I've never used such a crappy waste of money in my life. The results are awful.
I've worked with the RepRap people, and I have yet to see a decent output from one of the devices. Ours is a couple of years old. I hope the new ones suck less.


EDIT: The claim that it can "print another" is utter bollocks. All it can make is a few of the plastic connecting components. You still need all the electronics, the motors, the wires, the circuit-boards, the metal components and the plastic parts that are too large for it to print.

read 579 times
2/8/2012 12:30:33 PM (last edit: 2/8/2012 12:37:05 PM)
show user profile  soontekk
lol, i like the idea of buying one that reprints itself a few times :)
is that how the terminator was born ?..

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /

read 573 times
2/8/2012 12:58:49 PM (last edit: 2/8/2012 12:58:49 PM)
show user profile  Garp
Rabbit prototyping!

read 562 times
2/8/2012 1:28:39 PM (last edit: 2/8/2012 1:28:39 PM)
show user profile  horizon
Why? I think the rabbits are very far in the production line by now.

read 523 times
2/8/2012 9:12:49 PM (last edit: 2/8/2012 9:12:49 PM)
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