[hackpgh-discuss] Re: opensource hardware meeting next week
- From: "ssimonisme@xxxxxxx" <ssimonisme@xxxxxxx>
- To: hackpgh-discuss@xxxxxxxxxxxxx
- Date: Sun, 10 Jun 2012 20:47:49 -0400
After 7 PM?
SGT
Gabe Cottrell <bmrf@xxxxxxxxxxx> wrote:
>One of the guys I worked with at RMU Charles Mura will bring his MendalMax
>to the shop on tuesday for openhardware. To give us a idea.
>
>-Gabe
>
>On Sun, Jun 10, 2012 at 6:46 PM, Jeremy Herrman <jeremy@xxxxxxxxxxxx> wrote:
>
>> I'm all for building the MendelMax. Extruded aluminum beams are great, and
>> if the printed joints prove to be a problem then we can either print new
>> ones when they start to wear down, or make them out of some other material
>> and then tell the community about it.
>>
>> - Jeremy
>>
>>
>> On Sunday, June 10, 2012, j. eric townsend wrote:
>>
>>> How did he print the joints? We had a lot of 3d printer access on campus
>>> and it'd be a big help if he printed there.
>>>
>>> The drawback to all of the metal strut + printed plastic joints (in my
>>> opinion, mind you) is alignment and stability. I haven't seen many (5?)
>>> but almost all of them were wobbly due to wear in the joints or poorly
>>> printed joints.
>>>
>>> If I'm going to drag it around, I want it to be rugged, and I realize
>>> that isn't high on the requirements lists for many of these.
>>>
>>> It's tempting to just cut all the joints out of metal or acrylic. That,
>>> or cut one out of wood, which was good enough for Cupcake CNC plans.
>>>
>>>
>>>
>>> On 6/10/12 13:34, Gabe Cottrell wrote:
>>>
>>>> One of my coworkers from RMU Charles Mura, just built a MendelMax, and
>>>> its print quality is great and it is rigid as hell, I think he's
>>>> planning on bringing it to mini-makerfair.
>>>> I'll see if he can bring it by the shop for a demo.
>>>>
>>>> -Gabe
>>>>
>>>> On Sun, Jun 10, 2012 at 12:54 PM, Matt Stultz <matt@xxxxxxxxxxxxxxxxxx
>>>> <mailto:matt@xxxxxxxxxxxxxxxxxx>> wrote:
>>>>
>>>> Okay I will keep my ranting to a minimum but there are a few points
>>>> I can't help but make:
>>>>
>>>> 1 Non one is working on PLA extruders for MakerBot's anymore because
>>>> the extruders MakerBot makes work awesome for PLA.
>>>>
>>>> 2 Comparing the pint quality of your first generation Cupcake to
>>>> MakerGear's finely tuned sales tool demo unit is pretty absurd.
>>>>
>>>> 3 Many in the reprap comunity hate MakerGear because he steals their
>>>> work and calls it his own (see the "MakerGear Prusa"
>>>>
>>>> http://www.makergear.com/**products/3d-printers<http://www.makergear.com/products/3d-printers>
>>>> )
>>>>
>>>> Okay Rant over.
>>>>
>>>> Now from the perspective of owning 2 MakerBot's (a Cupcake and a
>>>> Replicator) and being at the point of about to build my 3rd 3D
>>>> printer
>>>> (http://reprap.org/wiki/**Tantillus<http://reprap.org/wiki/Tantillus>
>>>> ).
>>>>
>>>> Build a MendelMax!
>>>> http://www.thingiverse.com/**thing:20355<http://www.thingiverse.com/thing:20355>
>>>>
>>>> It's a little more expensive than a Prusa but has the same print
>>>> capabilities and is easier to build and far more rigid than a Prusa.
>>>> You can print in both ABS and PLA with this bot (there are upsides
>>>> and downsides to both). Most importantly it's a "kit" that members
>>>> of the shop can put together and learn how these systems work which
>>>> will make it much easier when you have to do repairs on it. That is
>>>> important because it's not an if it's a when.
>>>>
>>>> I will probably end up building one of these myself at some point if
>>>> for no other reason than the large build size.
>>>>
>>>> If you don't want to build a Max then just build a standard Prusa.
>>>> It has the greatest level of community support and upgrade parts for
>>>> it.
>>>>
>>>> If you want to build a Max or a Prusa (or something else reasonable)
>>>> for HackPGH let me know and I will print the parts needed for it on
>>>> my Replicator and send them to the shop.
>>>>
>>>> Thanks,
>>>> Matt
>>>>
>>>> On Sat, Jun 9, 2012 at 2:52 PM, j. eric townsend <jet@xxxxxxxxxxxx
>>>> <mailto:jet@xxxxxxxxxxxx>> wrote:
>>>>
>>>> Reprap, MakerBot, and most of the open printers can do ABS or
>>>> PLA. You just have to tweak some hardware, the temperature
>>>> settings in the controller, and change the g-code generation
>>>> scripts.
>>>>
>>>> Early on there were a lot of people making alternate PLA heads
>>>> for the MakerBot but they are starting to work more on Reprap
>>>> these days.
>>>>
>>>> There are some other commercial-ish 3d printers out there that
>>>> are cheap and available as kits, parts-lists, etc. The M Series
>>>> printers from MakerGear print PLA really well, last year I was
>>>> next to one at the maker faire and his PLA looked better than my
>>>> Cupcake's ABS. He was making jewelry he could give to kids with
>>>> no nasty fumes.
>>>>
>>>> I'm putting together a spreadsheet now of the basic
>>>> models/prices for my own reference, will bring that on Tue.
>>>>
>>>>
>>>>
>>>> On 6/9/12 14:19, The Gentleman Alchemist wrote:
>>>>
>>>> I agree with RepRap over in MakerBot in principle and in
>>>> practicality.
>>>>
>>>> If I understand correctly, RepRap would most likely be a ABS
>>>> plastic
>>>> printer. What would be our options for a PLA printer?
>>>>
>>>> Scott^2
>>>>
>>>> On Sat, Jun 9, 2012 at 12:26 PM, j. eric townsend
>>>> <jet@xxxxxxxxxxxx <mailto:jet@xxxxxxxxxxxx>
>>>> <mailto:jet@xxxxxxxxxxxx <mailto:jet@xxxxxxxxxxxx>>> wrote:
>>>>
>>>> Tuesday, 7:30pm, free, open to the public.
>>>>
>>>> Topic: What should be the next 3D printer one of us
>>>> builds?
>>>> MakerBot isn't supporting older models with parts
>>>> online so I'm
>>>> leaning towards a Reprap, but what sort of PLA printer
>>>> should we
>>>> consider for the shop or for a class?
>>>>
>>>> --
>>>> J. Eric Townsend
>>>> design: www.allartburns.org <http://www.allartburns.org>
>>>> <http://www.allartburns.org>; hacking:
>>>> www.flatline.net <http://www.flatline.net>
>>>> <http://www.flatline.net>; HF: KG6ZVQ
>>>>
>>>> PGP: 0xD0D8C2E8 AC9B 0A23 C61A 1B4A 27C5 F799 A681 3C11
>>>> D0D8 C2E8
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> J. Eric Townsend
>>>> design: www.allartburns.org <http://www.allartburns.org>;
>>>> hacking: www.flatline.net <http://www.flatline.net>; HF: KG6ZVQ
>>>> PGP: 0xD0D8C2E8 AC9B 0A23 C61A 1B4A 27C5 F799 A681 3C11 D0D8 C2E8
>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> J. Eric Townsend
>>> design: www.allartburns.org; hacking: www.flatline.net; HF: KG6ZVQ
>>> PGP: 0xD0D8C2E8 AC9B 0A23 C61A 1B4A 27C5 F799 A681 3C11 D0D8 C2E8
>>>
>>>
>>
>> --
>> 717-497-9253
>> @jherrm <http://twitter.com/jherrm>
>> linkedin.com/in/jherrm
>> facebook.com/herrman
>>
>>
>>
>>
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