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Cheap 3D printer

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ajag
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PostPosted: 11:22 - 29 Mar 2017    Post subject: Reply with quote

I didn't have a problem with the power supply but decided to change it just in case and also added the two mosfets. I did have the burn bed connector on Sunday which I then sorted out this week.

Using Octoprint on a raspberry Pi connected to the printer is great. Allows you to monitor and control your printer without having to mess about with the SD card. Really good addition to it
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Pjay
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PostPosted: 21:13 - 30 Mar 2017    Post subject: Reply with quote

https://www.youtube.com/watch?v=Jk4fhQvNoaM

This looks pretty cool.
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lukamon
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PostPosted: 13:41 - 16 Apr 2017    Post subject: Reply with quote

after my last print failed, i designed / made a small roller for the fillament holder Smile

http://i36.photobucket.com/albums/e1/lukamon/DSC_0113_zpsboi8joom.jpg
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Hawkeye1250FA
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PostPosted: 15:26 - 19 Apr 2017    Post subject: Reply with quote

Will be purchasing one tonight I think - Fun fun fun. Smile

Good thread. Thumbs Up
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skatefreak
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PostPosted: 15:10 - 23 Jan 2018    Post subject: Reply with quote

Holy thread revival batman!
Hows the printing coming along peoples?

I'm looking at picking up an A8/E10 in the near future but it seems there are more than a few knock offs floating about these days.

I'm keen on the larger printing areas and am aware some tinkering/printable mods are required but is there anything better out there for the money (A8 around <150? E10 aroun,d 200?).

Best regards
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stephen_o
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PostPosted: 17:06 - 23 Jan 2018    Post subject: Reply with quote

I am also watching this as I am looking to maybe get a 3d printer this year.
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bladerunner
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PostPosted: 00:51 - 24 Jan 2018    Post subject: Reply with quote

CR10 seems to be the fave at the moment at the budget end with 300x300x400 mm print size. I know Wanhao are also coming out with a larger printer but not sure on the price. A well dialed in A8 seems to do its thing rather well
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thx1138
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PostPosted: 01:09 - 24 Jan 2018    Post subject: Reply with quote

At the risk of sounding middle class, on Christmas day, at in laws house - we had a go on some medieval and Elizabethan wind instruments. Not originals of course.

Some of them....... had been made on a 3D printer.
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Pjay
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PostPosted: 11:08 - 24 Jan 2018    Post subject: Reply with quote

thx1138 wrote:
At the risk of sounding middle class, on Christmas day, at in laws house - we had a go on some medieval and Elizabethan wind instruments. Not originals of course.

Some of them....... had been made on a 3D printer.


https://www.thingiverse.com/thing:234512

Current best buys:

Best Sub 200: Anet A8

Best 200-450: CR10

Best 450-700: Original Prusa MK3
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skatefreak
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PostPosted: 11:27 - 24 Jan 2018    Post subject: Reply with quote

This looks to cheap but I'm tempted...

Most likely a clone I would expect but at that price is it going to be terrible I wonder?
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Pjay
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PostPosted: 11:34 - 24 Jan 2018    Post subject: Reply with quote

skatefreak wrote:
Most likely a clone I would expect but at that price is it going to be terrible I wonder?


Yup that's not an A8
They have made some bad design choices there. The lead screws for the Z-Axis are not coupled to the stepper motors with sprung couplers. This would cause issues if the lead screws were anything less than perfect.
The frame is also said to be 'Laser Cut Acrylic', but on close inspection, the frame is plywood. That is not such a great material as it can absorb moisture and warp, causing all sorts of problems down the line, that would baffle the hell out of you until you realised the frame had warped even a little.

https://www.ebay.co.uk/itm/253379711863
That's the real deal.
Anet A8 have a 5 button LCD, not a turn knob.
They also have a proprietary board that they use on all models.
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stephen_o
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PostPosted: 13:31 - 24 Jan 2018    Post subject: Reply with quote

thanks for the info and listing, I am watching that A8 now. One of the things that had stopped me purchasing was the "brands" or not so to speak not knowing enough about this hobby but it is almost time for the garden railway construction to start so hopefully.....
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t121anf
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PostPosted: 21:56 - 24 Jan 2018    Post subject: Reply with quote

Pjay wrote:


https://www.ebay.co.uk/itm/253379711863
That's the real deal.
Anet A8 have a 5 button LCD, not a turn knob.
They also have a proprietary board that they use on all models.


Could I use that to resolve this https://www.bikechatforums.com/viewtopic.php?t=323272
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Pjay
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PostPosted: 22:05 - 24 Jan 2018    Post subject: Reply with quote

t121anf wrote:


Yeah, sure you can, it's a simple print.
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Shinigami
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PostPosted: 15:10 - 28 Feb 2018    Post subject: Reply with quote

only just dropped across this thread, useful info and pjay seems to know what they're talking about, was tempted to pick up an anet a8 as they seem to come recommended after a few modifications and self printed upgrades. I'm completely new to 3d printing but patient with tech and prone to tinkering and picking stuff up quickly.
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skatefreak
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PostPosted: 17:05 - 28 Feb 2018    Post subject: Reply with quote

That's reminded me to update.
I got the printed mentioned above, it's a knock off but a good one to be fair.
Hooked it up to repitier, found a model, leveled the bed and hit the go go button, came out great.
I've since added a few upgrades (belt tensioners, wheels to aid leveling the bed, strain relief chains and a mosfet for the heated bed) but it hasn't cost much and it's worked out much better than hoped, even using the cheapest PLA I can find.

One note, the PSU did short and go pop, they refunded me 25 so I bought a 360w for 14... Worth the inconvenience... Rolling Eyes

I did buy a silly cheap kg of abs (around 7 posted) form here.

Sold out now, looks alright, isnt to brittle but I'm not geared up for an abs print yet, will report back once I've tried it...

fun times...
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bladerunner
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PostPosted: 23:31 - 28 Feb 2018    Post subject: Reply with quote

kinda reminds me to do a print on the poor old wanhao i3+ that I aint used for a month now!!
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Pjay
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PostPosted: 23:37 - 28 Feb 2018    Post subject: Reply with quote

skatefreak wrote:

fun times...


Wait until you get to the stage where you start thinking about upgrading to an E3D V6 with Bowden, like I did to my A8.

Damn thing prints like a 2000 machine now, although I have made quite a few modifications to it.
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Shinigami
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PostPosted: 21:33 - 13 Mar 2018    Post subject: Reply with quote

so mines turned up, currently in the process of assembling it, bit of a time muncher putting it together but fairly therapeutic
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skatefreak
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PostPosted: 22:22 - 13 Mar 2018    Post subject: Reply with quote

Shinigami wrote:
..... but fairly therapeutic.


Wait till you get it running.. Had it going for weeks and still find myself just staring at it at times :-\.
Always got to watch that first layer go down as well Laughing
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Shinigami
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PostPosted: 00:02 - 14 Mar 2018    Post subject: Reply with quote

nearly done, just need to put the power supply and board on and do the wires/add mosfet to the bed and putting a switch on the power
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bladerunner
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PostPosted: 00:39 - 15 Mar 2018    Post subject: Reply with quote

mine aint printed in 2 weeks now ......the roll of PLA just snapped between the spool to the head on its own as I was browsing BCF Shocked It has been sitting on the printer since christmas tho and 3/4 used...Guess the printer is hinting it needs to do some work!!
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skatefreak
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PostPosted: 01:41 - 15 Mar 2018    Post subject: Reply with quote

Brittle filament suggests absorbed moisture, whack it in a fan assisted oven on low for a few hours (<70c for pla)... or so I've been told...
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bladerunner
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PostPosted: 23:43 - 24 Mar 2018    Post subject: Reply with quote

it does sometimes for sure, but in this case it was just the tension twisting the PLA between the reel and the head had caused it to go brittle as the rest still on the reel was ok and not brittle! I only just found out this happens via the forums as I also thought..winter and exposed filament meant I'd be printing with steam also!
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Shinigami
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PostPosted: 13:47 - 26 Mar 2018    Post subject: Reply with quote

so far so good with mine, printer a number of parts for the printer and a small item for my lad

Print quality seems to be consistent and only had one session where I had any issues (no sticking to the bed but i'd set the bed too low)

still experimenting with different settings in cura though
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