printing larger pieces

I'm planning on buying a kit to build a rerap and have been reading info about it and I'm wondering about the limitation of the size something can be printed. It seems like 8" is the max. Whats the reason the kit couldn't be increased in Y direction to be able to print much larger objects? It seems if you could just print much larger in one direction you could greatly increase what you could print. Thanks!

Typically large prints are not done because of warping and cracking as well as other associated issues. A lot of people will take one large item and break it into smaller pieces that are designed to be put together after printing. I am currently in the design phase of a large format core xy build and there are a lot of challenges in getting it to print correctly. I have several printers I've built like the Simple XL which has approximately 9x12x12 inch print platform and I've gotten some good large print results using alternating rafts and other breakaway supports. If you want to check it out click on my link below.

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Check it out here:
[reprapsquad.wordpress.com].
---------| For Everything Prototype Related |------
Now featuring comp case mods:
[RepRapLab.wordpress.com]

--------------| Find us at Twitter|------------------------
@REPRAPSQUAD (RS Main)
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@REPRAPSQUADHQ (ProtoLab)
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Thanks for the info. I've checked out your webpage and it looks like you are a seasoned reprapper. Thanks for helping.

No problem, if I can help you in any way let me know and I'll see what I can do.

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--------------| For Everything |--------------------------
Check it out here:
[reprapsquad.wordpress.com].
---------| For Everything Prototype Related |------
Now featuring comp case mods:
[RepRapLab.wordpress.com]

--------------| Find us at Twitter|------------------------
@REPRAPSQUAD (RS Main)
[mobile.twitter.com]
@REPRAPSQUADHQ (ProtoLab)
[mobile.twitter.com]

Here is our latest large 3D printer from inDimension3.

Specifications:

16" x 16" x 18" Build area
.35mm and .5mm nozzle sizes
500c all metal dual print heads
Garolite print bed (reusable)
Semi enclosed design
Dual spool holder mount (adjustable)
50micron - 500micron layer heights
Control box that houses all the electronics. This allows the customer to send the box back for repair, without sending the entire machine.
Windows 8.1 tablet
Print from an SD card or from the tablet
Uninterruptible power supply to keep the printer running during power outages.
300lbs casters to roll the machine around
80/20 2" black anodized frame
Wireless printing ready
Remote control tech support into the unit
On site training
All software included - ready to run
Dissolvable support material
We also have our own line of plastics, (ABS, PLA, PC-ABS, HIPS, NYLON(taulman)) we can melt anything up to 500c.

We are very proud of our latest generation of 3D printers. We have been building affordable machines here in the USA since 2009. Come take a look at what we have to offer.

Come see us at:
www.indimension3.com
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Latest Printer Picture
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Chair and table that was printed on our 3D printer
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Jeff Christiana