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Please no. Innovation is currently rapid and what is not needed right now is an official committee to stifle innovation.
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billyzelsnack
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General
So anybody can take the source files for any BY-NC-SA project and use those files to create a commercial product? What's the point of the NC aspect if it does not mean anything in practice?
by
billyzelsnack
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General
I'm working on a Kickstarter campaign for my latest printer design and I wanted to run the bit about the licensing past the forum and see what objections people might have.
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License
Backers of this campaign will be granted early access to source files. The public release of source files will be after the printer kit exits beta. The license for source files will be a Creative Commons BY-N
by
billyzelsnack
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General
" the Y motor is going in the same direction whenever I turn click either of the direction buttons on the pronterface interface. "
Either button or not at all for one? If it's not at all for one it could be endstop related.
by
billyzelsnack
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General
Even if a setup can quote an accurate temperature value for its melting chamber it still needs to be calibrated to find the best performance for any given filament. I don't think having an absolute temperature reading is all that important in the grand scheme of things as long as you can relatively adjust the temperature consistently.
by
billyzelsnack
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General
Even if the tolerance is +/-10% the error is still going to be relatively consistent over the range the PID is trying to hit isn't it? It's not going to shift +/-24C over the course of a few degrees.
by
billyzelsnack
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General
Thanks for posting that link Jetguy. The discussion in its comments is quite interesting.
by
billyzelsnack
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General
What should the 99% of current and future "opensource" projects be called because they certainly do not and will not have "complete" documentation. Isn't one of the features of opensource that the original authors don't have to do all the work? If someone wants to step up and create complete documentation then great, if not then great too.
by
billyzelsnack
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General
You can build parts at 100% solid. Printing less than solid is common though as it slightly decreases build time and dramatically reduces the amount of plastic. Even sparsely filled parts can be quite strong as long as they are thick enough.
The issue that you'll likely run into though will not be solid vs non-solid fill, but the fact that parts are MUCH less strong in the direction normal to th
by
billyzelsnack
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General
In that link above Makerbot have the electronics schematics and lasercut files. Is that not enough of a contribution? Do we not count Makerbot's past contributions? Do we not count the positive exposure Makerbot generates? Do we not count Makerbot's software contributions? Does Makerbot owe reprap indefinitely no matter their contributions?
Where is the line and does the line's location depend o
by
billyzelsnack
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General
I think that Makerbot is a tad bit disingenuous about opensource hardware and it's more a marketing bullet point rather than community contribution, but if they do release source files it does technically qualify. Regardless of their direct contribution I do think they are making an even greater contribution by spreading the word.
As for injected molded files.. They did release the injected mold
by
billyzelsnack
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General
It is much more difficult to get a level, flat, and temperature even surface reliably on a 200x200 than it is on a 100x100. Power requirements are dramatically larger as well.
Maybe my opinion would change if I was interested in printing plates, but I think the sweet spot is somewhere between 100x100 and 200x200 and probably closer to 100 than 200.
As for the size of the parts I print.. 99% fit
by
billyzelsnack
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General
> DeuxVis, you obviously have the freedom to make
> the assertions you want, but frankly speaking,
> your suggestion that he is an employee of our
> organization is baseless and without any merit.
The skepticism has merit when the ratio of bad to good reviews is what? 50:1?
by
billyzelsnack
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General
> I have made about 10 hot-ends this way and had no
> failures or leaking around the needle insert.
Does the filament ever tend to curl up as it exits or is that issue completely eliminated due to the nicer interior surface of the needle? That feature alone would tempt me to give it a try.
by
billyzelsnack
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General
> I note you said "I used to buy the bits
> for....." so I'm guessing even with practice
> you still work through bits on a regular basis?
Yep, but less than I used to.
> Do you generally need the highest revs available
> to drill .5mm through brass,
> and I guess you feed *real* slow..
> lubrication?
I think my RPM is around 500. It definitely seems pretty fast with
by
billyzelsnack
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General
nb99 Wrote:
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> So do you use a lathe, or other setup, for
> drilling .5mm ?
I use a lathe now that I have one, but I before then I used my mill as a glorified drill press. On a drill press I'd vice the mini-chuck with a mini-bit and put the work in the spindle.
Yes it is a lot of work to make your own hotend, but I view it as a nice
by
billyzelsnack
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General
I used to buy the bits for $2 at the local hobby shop until he raised the price to $3. I then went looking and found these..
This is the mini-chuck I have..
by
billyzelsnack
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General
My heatbed is not always drawing current and I was wondering if there might be a way to take advantage of this off time to reduce worst case current requirements. I'd like to see a tiled heatbed that switches the current between tiles. The idea would be to trade increased preheat time for a reduction in worse case current consumption. Additionally the tiling would distribute the energy more evenl
by
billyzelsnack
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General
> be something. Also, the PVA is $90 a pound. Yeesh.
I think they just keep raising the price as their supply dwindles. When it first showed up in their store I believe it was $32 a pound.
by
billyzelsnack
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General
> If the machine is fully assembled and ready to use
> then Botmill will need to have completed full EMC
> testing and at least self certified CE better
> still had it CE / FCC and UL tested and certified
> or they will be opening themselves up to all sorts
> of issues both legal and safety orientated.
I was under the impression that as long as you built to order instead of ass
by
billyzelsnack
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General
BotMill Wrote:
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> Hi @billyzelsnack yes - we are building many ahead
> of time in order to keep up with demand.
Does that mean FCC and/or CE compliance testing has been completed and passed for the Botmill Glider and Botmill Axis products?
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billyzelsnack
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General
> BotMill 3D Printers (www.BotMill.com) has achieved
> next day shipping!
> If you place your order today, it will leave our
> doors tomorrow. Can't get much better than that.
> The lowest priced fully assembled printer with the
> fastest lead times around.
So does that mean your printers are no longer built to order, but instead built ahead of time?
by
billyzelsnack
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General
Are you going to print the racks?
by
billyzelsnack
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I sometimes think some of the people in this forum drink a little too much of the ideal flavor of non-commercialized open-source cool-aid, but...
reprap dot com. REALLY? Do you have no shame? Talk about pissing on shoulders.
UPDATE: After seeing OKKA's post I am less outraged, but still.. reprap dot com? Just out of respect. Come on.
by
billyzelsnack
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General
Has anyone tested how well PVA sticks to ABS and/or PLA and also how well ABS and/or PLA sticks to PVA?
by
billyzelsnack
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By "always go faster" do you mean top speed or time it takes to complete a line segment? I'm pretty disappointed in actual build time reductions for large increases in potential top speed.
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billyzelsnack
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General
What would happen if you used larger radius aluminum rod and tube with plastic bushings? Deflection would not be an issue, it's cheap, it's very straight, and it is just a much nicer material to work with. Sure it is not the ideal material for this application, but most of us are building practical inexpensive machines and not ideal machines.
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billyzelsnack
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General
My filament in air with my 0.5 nozzle is 0.7. 0.8*0.7 = 0.56 optimal layer height if I am understanding what you're saying. I'm not even sure my printer is capable of printing anything other than a mess of noodles at that large a layer height.
by
billyzelsnack
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Slic3r
I already have some needles around from when I dismissed the concept for some reason. I guess I should look into it again. I am about to build a new hotend for a new printer and I'll give it a try.
If they stay in via only friction I wonder if it could make for easier "nozzle" changes, because swapping actual nozzles is not often the easiest thing to do.
by
billyzelsnack
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General
How are your keeping the needle in place and how did you cut it without burring up the edges and ruining the hole?
by
billyzelsnack
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General