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3D printers

  1. #1
    Senior Member loki32687's Avatar
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    3D printers


    So I'd like to get into 3D printing. I was curious if anyone had an on hands opinion with the monoprice units or had another suggestion for roughly the same money.

    Here are the two I'm considering...

    Maker Select V2
    http://www.monoprice.com/product?c_i...seq=1&format=2

    Maker Select Plus
    http://www.monoprice.com/product?c_i...seq=1&format=2

    Thanks.

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  2. #2
    Member bassomatic's Avatar
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    Re: 3D printers

    I'm a relative noob and there are guys here who know infinitely more than I do about this, but this has been my experience. I got one of these about a year ago (about the same price range) and I was VERY unhappy with it. Lot's of inconsistent and failed prints. Only used ABS on it.
    The Micro by M3D |The First Affordable Consumer 3D Printer | 3D Printers | 3D Printing | 3D Printing Filament | Affordable 3D Printing

    Got one of these a couple of months ago and have printed more than an entire spool of filament without a single failed print. It's pricier, but as is most often the case, I guess you get what you pay for. I'd definitely buy something from Lulzbot again.
    LulzBot Mini | LulzBot.com

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  3. #3
    Senior Member loki32687's Avatar
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    Re: 3D printers

    Yeah, I've read a lot of negative on the M3D. The Lulzbot is nearly double my price range unfortunately.

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  4. #4
    Lifer Garandman's Avatar
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    Re: 3D printers

    Stratasys has tested a bunch of different brands. The build failure rate is over 60% . What is it you want to make?

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  5. #5
    Senior Member loki32687's Avatar
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    Re: 3D printers

    All sorts of little shit. Stuff like projectiles for my can cannon, some cosplay items for friends, etc.

    My friend printed out a couple cans that held up real well at the shoot this weekend.

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  6. #6
    Lifer Garandman's Avatar
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    Re: 3D printers

    Do you have the STL files?

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  7. #7
    Lifer ZX-12R's Avatar
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    Re: 3D printers

    Quote Originally Posted by Garandman View Post
    The build failure rate is over 60% .
    Is that a machine limitation, user limitation, environmental issue, or all of the above?

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  8. #8
    Lifer Garandman's Avatar
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    Re: 3D printers

    Quote Originally Posted by ZX-12R View Post
    Is that a machine limitation, user limitation, environmental issue, or all of the above?
    Basically it's lack of prcess control.

    • You have to heat up a thermoplastic to melt it. When it cools, it shrinks. This creates stress on the part and often pulls a corner off the base. The part will build, but it's warped and useless.
    • You're extruding what could be hundreds of feet of the resin through an extruder. Any impurities can clog the nozzle, and inconsistencies in the properties will cause cold flow or blockage. The desktop units try to minimize this by using only one or two outer and inner shells, and have a very low "infill" - the amount of material used to hold the inner and outer shell available. If you bump up infill or shells, the build time goes up, and so does the potential for warpage or build failure.
    • To build certain types of geometry you need support material. If it's the same material as the part, it can be difficult to break it off. Two extruder machines cost more.
    • A lot of the tables are pretty flimsy. The geniuses at MakerBot made the support rails for the base out of plastic. The base is heated. So as the support rails warm up, the bed tends to lean forward. You get a loss of adhesion or a distorted part.
    • The chamber is unheated. Most don't even have side covers. So even if the part is fairly small and uses minimal material, you can have temperature changes. Stratasys holds a patent on heated build chambers so they can't be sold, although you could make your own covers and add your own heater.

    PLA is easier to process and is a pretty decent "looks like' material. It doesn't have much impact strength, UV resistance, or heat resistance, so it would be fine for a cosplay costume but not a motorcycle bracket. ABS (which is what most pro printers use) is harder to process because melt temp is higher. MakerBot made a dual extruder machine for ABS called the 2X, but it never caught on. We have one (we have all the MakerBots because they are owned by Stratasys).

    What we tell prospective customers for pro printers is, "If you are paying the guy standing in front of it, buy a pro printer." You can make some pretty cool parts on small, inexpensive machines, but it can take a lot of trials to get it right.

    We have 6-10 machines from MakerBot Mini to big industrial machines and all stops in between in Peabody if you want to stop by.

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    Last edited by Garandman; 08-23-16 at 08:25 AM.
    1975 BMW R90/6 | 2008 Triumph Tiger 1050 ABS | 2009 Honda CRF100F | 2009 Yamaha TrailWay 200 | 2012 Yamaha WR250R | 2016 Honda CB500FA | 2016 Suzuki GSX-R750

  9. #9
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    Re: 3D printers

    Have more fun. Build your own!

    Sent from my SM-N900V using Tapatalk

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  10. #10
    Lifer Garandman's Avatar
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    Re: 3D printers

    You can also look on eBay for used machines. The MakerBot 2 and Ultimakers are pretty good machines for the money. There are tons of parts available to upgrade.

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  11. #11
    Lifer oVTo's Avatar
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    Re: 3D printers

    Any recommendations for inexpensive or freeware design software? I picked up a Monoprice Select Mini 3D but have no idea what's a good program for a noob to start out on.

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  12. #12
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    Re: 3D printers

    Quote Originally Posted by oVTo View Post
    Any recommendations for inexpensive or freeware design software? I picked up a Monoprice Select Mini 3D but have no idea what's a good program for a noob to start out on.
    Onshape is the bomb. It is free for any users as long as your files stay public. You can export stl files from it for printing.

    Sent from my SM-N900V using Tapatalk

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  13. #13
    Lifer jasnmar's Avatar
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    Re: 3D printers


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  14. #14
    Lifer Garandman's Avatar
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    Re: 3D printers

    Now have a Stratasys uPrint SE+ in the garage: ABS parts up to 8"x8"x6" high.

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    Last edited by Garandman; 02-04-17 at 09:33 PM.
    1975 BMW R90/6 | 2008 Triumph Tiger 1050 ABS | 2009 Honda CRF100F | 2009 Yamaha TrailWay 200 | 2012 Yamaha WR250R | 2016 Honda CB500FA | 2016 Suzuki GSX-R750

  15. #15
    Burns retinas nhbubba's Avatar
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    Re: 3D printers

    Talk me into or out of this..

    Cat at work showed up with these nifty can handles and starts passing them out. Waz-dis?! Turns out he bought a 3d printer. Introduces us all to thingiverse. Now every time I hit the site up I find 5 more things I'd like to print. Stuff like bench dogs. Dust collection bits. Basically everything this kid designed.

    My kiddo is ridiculous with her love for these cheap little plastic toys. (My little pony. Trolls. Nemo. Yadda yadda.) Guy says his kids have been keeping his machine busy printing novelty wall plates, figurines and whatever.

    Work dude bought a sub $200 Creality Ender 3 setup and has stuck to PLA so far. Most of his stuff has been light, like 20% infill. But he's turned out a couple heavier bits over night and they are pretty awesome.

    Two hundro. Seems worthwhile.

    Reviews are great. ~8 x 8 x something. Has a heated plate and is ABS capable. But bio-friendly PLA sounds like the jam.

    I've been doing a shit-ton of drawing cabinets and 2x4 shelving, furniture, etc in sketchup recently. Anything in the 3d modeling world that easy?

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  16. #16
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    Re: 3D printers

    I just found out that the Dedham public library has a 3d printer so other town libraries might, too.

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  17. #17
    Your Father csmutty's Avatar
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    Re: 3D printers

    I have the anet e12 and just bought the anet a8-m.

    I've used hatchbox pla almost exclusively with great results. Abs is difficult to print with the high bed temperatures to prevent shrinkage. With cheaper printers you might also have to install mosfets for the bed and or extruder tip with higher temperatures. Anet A8 MOSFET Upgrade - Does It Help & How to Do It | All3DP

    Sometimes you have to mess around with different slicing softwares as well. I've used slic3r and cura with good results.

    I've found petg is a good replacement for abs that is easier to print and doesn't produce toxic fumes when printed like abs. Bed temperatures and extruder tip temps are also lower.

    In other words I fully support you. Let's nerd out over this.

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  18. #18
    Lifer loudbeard's Avatar
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    Re: 3D printers

    Quote Originally Posted by caboteria View Post
    I just found out that the Dedham public library has a 3d printer so other town libraries might, too.
    I'm sure Wellesley, Needham, and Westwood also have them.

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  19. #19
    Burns retinas nhbubba's Avatar
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    Re: 3D printers

    My library does not have. Honestly not sure they would ever. Not really their bag. Does remind me that I could easily pass this off as a STEM toy once the kiddo gets older. Teach her CAD? Hand her a roll of filament and say "figure it out".

    There's like a gazillion videos on the tube about hopping up or improving the Ender printer. I've watched about 63% of them.

    220x220.. that's 8.5" square. Big 'nuf.. right?!

    PETG eh? Must read up. I see that Amazon is now branding PETG under the "Amazon Basics" brand.

    Quote Originally Posted by csmutty View Post
    In other words I fully support you. Let's nerd out over this.
    You do this for the moneys now, right?

    While I'm pretty sure I could feed a machine for months with just crap stolen from thingiverse, I'd like to investigate building custom stuff too. What does the hobiest/numnuts like me use?
    Jasnmar says Fusion. I'm going to start there.

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  20. #20
    Lifer Kurlon's Avatar
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    Re: 3D printers

    In Vancouver, I walked past a 3D Printing Cafe. Mind blown.

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  21. #21
    Lifer Garandman's Avatar
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    Re: 3D printers

    Like Smutty we used Hatchbox materials in our MakerBots. Still have to figure out what to do with them: have three, one NIB. Already gave three others to Schools.

    The ABS pollution argument is specious in my mind. But the three to six ABS printers we ran - for 13 years and several tons of material - had enclosed build chambers and simple filters.

    For hobby use PLA is tough to beat. The family favorite is a Kim Jong Un pencil cup, printed in glow-in-the-dark green PLA. We’ve also designed a number of cat toys....

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  22. #22
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    Re: 3D printers

    Why don't all you with the printers have a best mouse trap contest. That would be interesting.

    I want to get into this type of thing, but not sure I have a use. I've been eyeing that makerspace place in Framingham, they seem to have a lot to offer for short monies. I'd like to learn more about the 3D printers and the use of Arduino/Raspberry Pi controllers.

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  23. #23
    Burns retinas nhbubba's Avatar
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    Re: 3D printers

    @ $200 for a kit, no need to get into the details of the controllers. Somebody else already figured that out. They are largely plug and play. At least by my read.

    What is interesting is attaching a Rasberry running Octopi. This enables printer monitoring and wireless control. The octoprint app is pretty neat looking. Lets you drag and drop designs onto the rasberry and onto the printer. Convenient as hell. There's also a $7 Sony PS camera on amazon for monitoring and compiling those nifty time lapse vids nobody will watch.


    Argument for PLA is that it is clear-conscious printing. Supposedly the stuff bio-degrades. So wifey can't accuse me of "only" making landfill fodder. Amirite?
    Looks like just under $20/kg.


    Makerspaces are effing cool. But I don't share well. Also the time constraints are a thing. Many of these designs take many hours to print. How the hell do you timeshare a machine with others when it takes that long?!


    Once we clear the holidays I think I'm going in! 16 things on my wish list. All things I want-but-not-enough-to-actually-buy. Guestimate using amazon says that list o' crap would cost >$200 to buy. So this thing is as good as already paid for.. rite?! Solidest logic ever going on over here.


    I also want to build a plywood CNC. That'll require some pi/ardurino fuckery. Precision drawer dados would be tits. Only way I know how to do it now is with patterns. (Which honestly is a technique that ain't broke.)


    Show me neat shit you've printed!!

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  24. #24
    Lifer Kurlon's Avatar
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    Re: 3D printers

    If you're not already watching This Old Tony on youtube, you need to be.

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  25. #25
    Your Father csmutty's Avatar
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    Re: 3D printers

    Quote Originally Posted by nhbubba View Post
    My library does not have. Honestly not sure they would ever. Not really their bag. Does remind me that I could easily pass this off as a STEM toy once the kiddo gets older. Teach her CAD? Hand her a roll of filament and say "figure it out".

    There's like a gazillion videos on the tube about hopping up or improving the Ender printer. I've watched about 63% of them.

    220x220.. that's 8.5" square. Big 'nuf.. right?!

    PETG eh? Must read up. I see that Amazon is now branding PETG under the "Amazon Basics" brand.



    You do this for the moneys now, right?

    While I'm pretty sure I could feed a machine for months with just crap stolen from thingiverse, I'd like to investigate building custom stuff too. What does the hobiest/numnuts like me use?
    Jasnmar says Fusion. I'm going to start there.
    I have a hacked version of the software I use at work. I could host it on google drive if you have any interest.

    And I do not do it for $$. Haven't touched them much honestly since I got into the mountain bike rabbit hole.

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    2011 Pit Bike Race CHAMPION!

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