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Things I would like to 3D print

jmtd.net

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Re: Things I would like to 3D print

#63

Earlier quoted context omitted.

is that a normal experience in all of the US or only certain states? sounds all kinds of fucked up. the random passerby ratting you out. cops showing up over a handgun, which as far as I know are legal to own in all states unless you're a felon. doesn't sound like land of the free at all.

Don't think op is in US. Nobody would say "phone engineer" in the states.

Come on, this sort of cop behavior is limited to the US

Re: Things I would like to 3D print

#64

Funny story. I bought a printer for my kids this year. An Anycubic Mega Zero with a magnetic base. It stays pretty calibrated but I have struggled with base adhesion once a few prints have been through it. IPA and abrasives have not fixed it...maybe I will get around to some other things...there have been a few random failures, but not many. We printed a few novelties items that came out OK. The real learning curve i…

I just looked up your printer and it looks extremely similar to the one that I have, which is the Creality Ender 3. Both appear to have an identical stock plate, which makes me think your base adhesion problems will almost certainly be addressed by switching to a spring-steel PEI plate. Although I didn't start having problems after only a few prints, the stock plate on the Ender 3 actually worked too well for me which often caused me to need to use a tool to pry and scrape prints off which resulted in damage and reduced adhesion. I switched to the PEI plate and all my problems related to adhesion went away. It's smoother than the stock plate but somehow PLA sticks pretty well to it, yet not so much that I can't easily remove prints with my fingers. No glue stick or hair spray needed so far.

3D printers really aren't good toys in and of themselves. They're fun for a little while and then you realize you don't need that many plastic doodads. But mine's been very useful for certain projects where I need to build custom parts. People sometimes forget that these printers are just tools like anything else. Fortunately they've become so cheap that it's not really that much of an expense to find that out for one's self.

EDIT: Seriously, anyone with adhesion problems should get a PEI plate. I have had nothing but success with mine and I don't know why these printers don't just come with them in the first place.

Re: Things I would like to 3D print

#65

Earlier quoted context omitted.

Have you tried covering the build plate with a glue stick? Always worked for me, at least for PLA.

I have heard of this and it is on my list of things to try. It seems counterintuitive to me that the glue wouldn't simply become a runny mess. Thank you for confirming it works. Just confirming we are talking about 'Pritt-Stick' when people say glue stick, are we?

Borosilicate Glass or PEI with spring steel backing (if your bed has the magnets vs the build surface having magnet material) work great in my first hand experience, both will give a much better surface adhesion than most others.

Another cheaper option is G10 or FR4. I've got copper backed FR4 on my list of things to try. Apparently it has a more even heating due to he copper against the heated bed. I've been using the glass held on with Binder clips until recently when a few binders popped off and tossed the whole lot on the floor of my garage sending shards everywhere.

Re: Things I would like to 3D print

#66

Funny story. I bought a printer for my kids this year. An Anycubic Mega Zero with a magnetic base. It stays pretty calibrated but I have struggled with base adhesion once a few prints have been through it. IPA and abrasives have not fixed it...maybe I will get around to some other things...there have been a few random failures, but not many. We printed a few novelties items that came out OK. The real learning curve i…

Have you tried covering the build plate with a glue stick? Always worked for me, at least for PLA.

This usually has the downside that you have to clean/wash the plate after a few prints, as the glue otherwise accumulates to a height that interferes with printing.

Re: Things I would like to 3D print

#67

Funny story. I bought a printer for my kids this year. An Anycubic Mega Zero with a magnetic base. It stays pretty calibrated but I have struggled with base adhesion once a few prints have been through it. IPA and abrasives have not fixed it...maybe I will get around to some other things...there have been a few random failures, but not many. We printed a few novelties items that came out OK. The real learning curve i…

is that a normal experience in all of the US or only certain states? sounds all kinds of fucked up. the random passerby ratting you out. cops showing up over a handgun, which as far as I know are legal to own in all states unless you're a felon. doesn't sound like land of the free at all.

Story was not from the US as there is no “section 1” prohibited firearms. Maybe Canada?

Re: Things I would like to 3D print

#68

Funny story. I bought a printer for my kids this year. An Anycubic Mega Zero with a magnetic base. It stays pretty calibrated but I have struggled with base adhesion once a few prints have been through it. IPA and abrasives have not fixed it...maybe I will get around to some other things...there have been a few random failures, but not many. We printed a few novelties items that came out OK. The real learning curve i…

is that a normal experience in all of the US or only certain states? sounds all kinds of fucked up. the random passerby ratting you out. cops showing up over a handgun, which as far as I know are legal to own in all states unless you're a felon. doesn't sound like land of the free at all.

I'm in the UK, should have said. There are almost no authorised civilian uses of handguns in the UK since the Dunblane shooting. I think you can have one for humane despatch of deer (subject to extraordinary proof of need), but that is all.

https://en.m.wikipedia.org/wiki/Dunblane_massacre

Re: Things I would like to 3D print

#69
post #19

FYI a 3D printer is super affordable nowadays. Heres a quick guide for home usage: FDM printers: They use a spool of plastic as filament which is heated and layed down layer by layer in a small string, are the cheapest, safest, have a large print volume. On the downside they often break down (e.g. the filament gets jammed) and have a coarse resolution (the smallest details are around 0.1mm). Most popular ones are the…

> FYI a 3D printer is super affordable nowadays This seriously cannot be understated enough. When I was in my final year of high school (2012) my shop teacher was the first person in the entire school board to get a 3D printer, one of the cheapest machines on the market (I can't remember the brand, or the name, only the number at the bottom of the invoice - $11,374.38). He got the machine in February and tasked me to…

My dad got one of the original Makerbot printers back ~2009. It was expensive, I'm pretty sure in the thousands. And it sucked. Sometimes you could get it to print right, but most of the time it screwed everything up to the point where it wasn't useful for anything. Every print was a roll of the dice.

Last year I got an Ender 3 on Amazon for a fraction of the price (~$150) we spent on the Makerbot. I assembled it, plugged it in, set it to print the test file of the cat, and it just worked. The print was perfect, printed faster than the old Makerbot did, and had better resolution.

Re: Things I would like to 3D print

#70

Earlier quoted context omitted.

I have heard of this and it is on my list of things to try. It seems counterintuitive to me that the glue wouldn't simply become a runny mess. Thank you for confirming it works. Just confirming we are talking about 'Pritt-Stick' when people say glue stick, are we?

Borosilicate Glass or PEI with spring steel backing (if your bed has the magnets vs the build surface having magnet material) work great in my first hand experience, both will give a much better surface adhesion than most others. Another cheaper option is G10 or FR4. I've got copper backed FR4 on my list of things to try. Apparently it has a more even heating due to he copper against the heated bed. I've been using t…

Excellent tips. It is the build service that is magnetic I think, but I guess you could glue something similar to the glass...
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