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re: The Official 3D Printing Thread

Posted on 7/24/20 at 3:10 pm to
Posted by Fat Batman
Gotham City, NJ
Member since Oct 2019
1381 posts
Posted on 7/24/20 at 3:10 pm to
Check this GitHub bigtreetech. There is instructions on there as well for building with Arduino IDE. Unless you are really just set on building with VSCode, I would use the Arduino IDE, it's free and in my experience is headache free.
Posted by BamaFan89
T-Town
Member since Dec 2009
19297 posts
Posted on 7/25/20 at 3:23 pm to
Thanks, I’ve seen that GitHub before but I’m just not very experienced with compiling firmware at the moment. I think I’ve decided to return the EZABL and go with the BLTouch as they already have firmware precomplied for it on the GitHub
Posted by Fat Batman
Gotham City, NJ
Member since Oct 2019
1381 posts
Posted on 7/27/20 at 8:55 pm to
Cheapest I've seen the Ender 3 $167. Makes me want to get another one to sacrifice to an Ender Extender 400 kit build. With the sale on the Ender 3 it would be ~$300 for both and would give you 400x400x250 printing capabilities, you can raise the Z as well. Not bad considering the CR-10 Max (450x450) goes for $1,000.
This post was edited on 7/27/20 at 8:59 pm
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57400 posts
Posted on 7/27/20 at 11:01 pm to
I just hate the bed moving which is why I went with the 5 pro. Now I Wich I went with the plus.
Posted by CP3
Baton Rouge
Member since Sep 2009
7398 posts
Posted on 7/27/20 at 11:06 pm to
Damn, that’s really tempting. Don’t really need a second printer, but for that price it would be nice to be able to run 2 prints at a time.
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 7/28/20 at 6:55 am to
I agree with this. I am not a fan of beds moving. I bought the 3 just to see how it performs. I'm already having issues with the Z. It seems to be binding. I'm going to have to unassemble it and check for it being square. I just threw it together very quick for the video. Now the real fun begins.
Posted by Fat Batman
Gotham City, NJ
Member since Oct 2019
1381 posts
Posted on 7/28/20 at 12:33 pm to
quote:

I'm already having issues with the Z. It seems to be binding.


Yeah man, if you're assembling something you expect a reasonable amount of precision out of you're gonna want to make sure it is square.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57400 posts
Posted on 8/3/20 at 4:19 pm to
so if you guys wanted to buy a large bed printer and run a large nozzel what would yall go with?

once i have seen are the

Ender 5 Plus 350x350x400 $550+
Tronxy X5SA 400 Pro 400x400x400 $500


or just build your own?
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 8/4/20 at 9:41 am to
Yep. It was slightly off.
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 8/4/20 at 9:43 am to
I'll build my own. I have a parts list I started. I'll share if you want. I have not started the build but I am going to record the entire process. I already have a lot of parts.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57400 posts
Posted on 8/4/20 at 2:36 pm to
thatd be great if you want to post it here and we can follow your progress.
Posted by TomSpanks
Baton Rouge
Member since Dec 2005
1007 posts
Posted on 8/5/20 at 4:42 am to
I think building one would be a ton of fun, definitely plan to do that at some point.
I don't know how large of a bed you need, but I've been eyeing the BIQU Thunder, it's 300x300x400, no idea on the quality of the build but looks to have some decent features and it's a good bit cheaper than the 2 you listed.
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 8/5/20 at 7:31 am to
Right now I plan on tearing apart this Ender 3 and using some of the parts. I already have a bunch of parts from building 3d printers in the past. I only need a few things. But I am looking at around 2'x18"x13" build volume.
Posted by Fat Batman
Gotham City, NJ
Member since Oct 2019
1381 posts
Posted on 8/5/20 at 9:13 am to
quote:

But I am looking at around 2'x18"x13" build volume.


How do you plan on heating the bed? That's gonna be $$$.

Doesn't seem like you'd be able to use any notable parts from the Ender 3 except maybe the hotend and extruder, neither of which are exceptional and both of which are usually upgraded by the enduser. I guess maybe you could use the steppers, but it doesn't seem worth it to scrap an entire printer to save <$40 for steppers when you should probably go bigger on those anyway. Obviously you won't be able to use the extrusions, power supply, mainboard, bed, bed heater, belts, what else is there?
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 8/5/20 at 11:42 am to
The plan:

The frame: Aluminum extrusion with corner brackets for reinforced strength. I may also use some thin alum for panels. I did that with the dual extruder core x/y I used to build and it had some serious strength with 1/16" alum sheets. It also provided a closed environment.

The bed is something I am researching. It will def require some power, which I do have extra PS to use. I am looking into silicone heaters OR actually making heating blocks (which I think will be better). I currently use a separate heat bed with adapter coming from ramps and going to a power supply. It protects the pcb from damage. (For my own personal pref I hardly ever use a heated bed since I use PLA 99% of the time. But since I am building I may as well go for it right?!)

The x axis drive system from the Ender is what I am looking to reuse. The Ender nema motor will be sufficient for this. (If not I have other motors in my possession.)

The extruder will most likely be changed out to the Tornado or similar. This will likely change the cooling fan arrangement and the extruder nema motor, possibly.

The y axis will be dual nema motors with some alum mounts and rollers. You can buy these parts from bangood. I also may end up using some smooth rods for extra reinforcement. But it may not be necessary.

I have very good threaded z motors that I used to use on my core x/y machines. The plan is to use 2 just like I did on the core x/y machines.

I am going to try and use the circuit board and lcd screen from the Ender as well.

Some parts cannot be used for this build like you mentioned. Belts, extrusions, bed, extruder, y axis, z axis.


As you can probably read I am just in the "theoretical" stage of this. Some things are unknown if it would work or not. Shoot if you have better ideas let me know. I'm not too proud to take advice. This will be fully released anyway.
Posted by Fat Batman
Gotham City, NJ
Member since Oct 2019
1381 posts
Posted on 8/5/20 at 1:03 pm to
quote:

The bed is something I am researching. It will def require some power, which I do have extra PS to use. I am looking into silicone heaters OR actually making heating blocks (which I think will be better). I currently use a separate heat bed with adapter coming from ramps and going to a power supply. It protects the pcb from damage. (For my own personal pref I hardly ever use a heated bed since I use PLA 99% of the time. But since I am building I may as well go for it right?!)


I did some light researching on this, regarding an Ender Extender build as previously posted, you know more about this stuff than me. But I don't think you're going to be able to power the size heaters you need with a power supply. I think you're going to want to switch direct 120v, probably 240v, via relay either hooked up to an external PID controller or figure out how to integrate the relay with your board and it's temperature controller to maintain gcode control over your temp. Which brings me to the Ender's board. I would be looking at using one of the newer 32bit boards. The Ender 3 board was designed as the bare minimum to run the Ender 3 and has virtually no expandability which you may need especially if you want to run your heater using gcode. Also, if you are going to design your own heat solution, it would be cool if you did it as two circuits where you could turn on just the center 12 or so inches or both and heat the entire bed. This will save a lot of power on prints that don't use the full 432in² bed.

I wouldn't sacrifice the Ender just for the X-axis drive system, since you can't use the board, maybe the LCD. This would mean the x drive essentially cost you ~$200 since the Ender 3 would then be worthless. I mean at the end of the day you are reusing the bracket, rollers, and stepper motor. You could print a bracket, get rollers for $1 each, and you said you already have steppers on hand. You'd be better off selling the Ender 3 and using the funds to buy the x parts you need and buy the bigtreetech board with LCD and then use the leftover ~$100 to fund other parts you need.

ETA: Use some of the leftover $100 to buy linear rails for all the axes and forget the support rods.
This post was edited on 8/5/20 at 1:09 pm
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 8/5/20 at 1:53 pm to
I wouldn't claim to "know more". I just have a different perspective of things.

DANG. That is a good point about the Ender 3. I wouldn't sell it though. I'd probably just keep it as another machine. Although I have 9 total (7 working right now). The Ender is a good back up to the others.

I'm glad I brought this up. Definitely good to get another perspective.

I also like the rail idea. 6 of the machines I have use them now. But they are ok for small machines. It is going to be expensive for that long distance though.

If you don't know about these guys check them out: Robot Digg I have been using them for 7 years.
Posted by DJNOS1978
Baton Rouge
Member since Dec 2013
764 posts
Posted on 9/3/20 at 6:44 am to
Update on this large 3d printer project. I have two options:
Option 1 is based on:

Folgertech

I have most of these parts already and I familiar with marlin. I am leaning towards this option since it uses linear rails (which wont be cheap. est $100 each).

The second option is based on the ender 5 concept.

Either way I "think" I will end up spending the same amount of money. But who knows for sure until I start the actual R&D.

But from what I can tell 750w is what is need for the heatbed. I will most likely have to get this silicone heater custom made (est $100).

For the extruder I am looking at Micro swiss

If anything I will start the design in CAD, purchase the parts I need (-minus the heatbed and necessary power) and make it customizable. This is the plan. You know how plans go.
Posted by bluebarracuda
Member since Oct 2011
18211 posts
Posted on 9/3/20 at 8:52 am to
Do y'all know of a good place to get a commissioned 3D print job done?

I have absolutely zero experience with 3D printing and modeling, so I was hoping I could pay someone else to do it
Posted by Dam Guide
Member since Sep 2005
15491 posts
Posted on 9/3/20 at 9:46 am to
How complex? If it is something easy, you can do something like fiverr, something more difficult and you want to find someone who typically does the type of designing you are looking for.
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