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Author Topic: So ... 3d Printers....  (Read 76003 times)

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Howard_Casto

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Re: So ... 3d Printers....
« Reply #840 on: December 18, 2020, 12:56:05 am »
I tried glass but quickly gave up.... my problem was things stuck too well..... I couldn't get them removed and I eventually cracked it.  It was just a cheap piece of scrap glass though, nothing specialized for a 3d printer. 

yotsuya

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Re: So ... 3d Printers....
« Reply #841 on: December 18, 2020, 12:41:38 pm »
Iím going to do a complete tear down and upgrade of my 3D printer. Replacing the hot end, installing a glass bed, wire wrapping loose wires, installing a new aluminum Y carriage, and replacing the belts. Still rocking the Anet A8 - would like to get another year or so out of it before I look to upgrade. Itís been a workhorse and served me well so far.


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Re: So ... 3d Printers....
« Reply #842 on: December 18, 2020, 12:42:34 pm »
I tried glass but quickly gave up.... my problem was things stuck too well..... I couldn't get them removed and I eventually cracked it.  It was just a cheap piece of scrap glass though, nothing specialized for a 3d printer.
I ordered something specialized for a printer - weíll see how it does.

Best upgrade I ever did was the auto bed leveling sensor.


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yotsuya

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Re: So ... 3d Printers....
« Reply #843 on: December 20, 2020, 01:02:28 am »
First steps - replace the original janky y carriage with a new sleek one piece model:



Love the new one:



Added the new glass bed as well.

Before:


After:


I also swapped the belts as well and did some cable management. Still waiting for the new hotend so I can button this up.


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Re: So ... 3d Printers....
« Reply #844 on: December 20, 2020, 07:50:45 pm »
Nozzle in, test print run, everything looks good. Here she goes!




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Re: So ... 3d Printers....
« Reply #845 on: December 21, 2020, 12:40:54 am »
First real test print - nice results!




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Osirus23

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Re: So ... 3d Printers....
« Reply #846 on: December 21, 2020, 10:25:40 am »
Nice! We need official BYOAC Dickbutts.

yotsuya

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Re: So ... 3d Printers....
« Reply #847 on: December 21, 2020, 12:12:04 pm »
Nice! We need official BYOAC Dickbutts.
Actually, Iíve been handing them out to BYOACERS at ZapCon for years. That and Adventure dragons. Printing a Grundle as we speak, actually!


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Re: So ... 3d Printers....
« Reply #848 on: December 24, 2020, 10:11:16 am »
purple gluestick is my go to as all my beds are glass.
Does the glass start to splinter? Iíve read that.

I think my PEI sheet is ready to give up the ghost soon as well. Considering going to glass myself.


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I honestly have no idea how people splinter the glass beds.
Are they just trying to tear the model off with enough strength to lift the printer?

I just take a metal putty knife, slip it under one corner and give it a little nudge, then do the same thing on another corner and they usually just pop off.
my large Chiron has a dimpled bed so when it cools it usually takes care of breaking the model loose.
PET-G gives me the most trouble.

my straight glass bed on my mini sometimes doesn't want to let go but it's small so i just put it in the freezer for a bit and it pops off.

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Re: So ... 3d Printers....
« Reply #849 on: December 24, 2020, 10:17:30 am »
First real test print - nice results!




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that's a good flat print.

nitrogen_widget

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Re: So ... 3d Printers....
« Reply #850 on: December 24, 2020, 10:39:56 am »
A friend who does property management found an XYZ Da Vinci Jr abandoned in an apartment.
this is a printer with NFC tagged filament.
costs about $40 for a 500kg roll.
so I can see why it was abandoned.

it actually prints pretty good and is fully enclosed.
I have an NFC tag writer and tags so i'm either going to try and follow the instructions for spoofing the tags or replace the board with something that doesn't require tags.
the manufacturer does sell an NFC tag of their own to unlock the printer but for almost $70 shipped and nope'd right out of that option.

this printer will go on the shelf until i figure out what I want to do with it.
may even just replace the board.
will take a lot of splicing though because the xyz doesn't use standard connectors.

yotsuya

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Re: So ... 3d Printers....
« Reply #851 on: December 24, 2020, 10:34:00 pm »
A friend who does property management found an XYZ Da Vinci Jr abandoned in an apartment.
this is a printer with NFC tagged filament.
costs about $40 for a 500kg roll.
so I can see why it was abandoned.

it actually prints pretty good and is fully enclosed.
I have an NFC tag writer and tags so i'm either going to try and follow the instructions for spoofing the tags or replace the board with something that doesn't require tags.
the manufacturer does sell an NFC tag of their own to unlock the printer but for almost $70 shipped and nope'd right out of that option.

this printer will go on the shelf until i figure out what I want to do with it.
may even just replace the board.
will take a lot of splicing though because the xyz doesn't use standard connectors.
Nice! Always fun to tinker!


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yotsuya

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So ... 3d Printers....
« Reply #852 on: December 24, 2020, 10:38:44 pm »
Working on a personal project, just finished the prototype...


The final version will be printed in wood. I need to adjust the size of the holes. But this print was good for me to break in all the new changes.


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Howard_Casto

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Re: So ... 3d Printers....
« Reply #853 on: December 25, 2020, 02:00:09 am »
How much were your upgrades total?  I want to get mine back online (needs a new table) and I might as well do improvements as I go. 

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Re: So ... 3d Printers....
« Reply #854 on: December 25, 2020, 12:30:29 pm »
How much were your upgrades total?  I want to get mine back online (needs a new table) and I might as well do improvements as I go.
Good question. Hereís a list of the upgrades:

Gulfcoast Robotics Y CARRIAGE ANODIZED ALUMINUM PLATE

$21.99

https://gulfcoast-robotics.com/collections/anet-a8-upgrades-and-parts/products/anet-a8-a6-3d-printers-upgrade-y-carriage-anodized-aluminum-plate

3D Printing GT2 Timing Belt, Zeelo 5 Meters (16.4ft) GT2 Open Timing Belt 2mm Pitch 6mm Width Rubber Fiberglass Fit for RepRap Prusa Mendel Rostock CR-10 Ender 3 3D Printers - Black

$8.99

https://www.amazon.com/dp/B0897CJKS1/ref=cm_sw_r_cp_api_glc_fabc_dbI5FbR2EDZD8?_encoding=UTF8&psc=1

Those two items I bought a few years ago but didnít actually do the upgrades until I got the items below.

HAWKUNG 3D Printer Glass Bed, 220x 220x 4 mm Upgraded 3D Printer Platform Tempered Glass Plate Build Surface with 4 Clips for Heated Bed

$10.99 (itís now at $12.99)

https://www.amazon.com/dp/B08HMSG639/ref=cm_sw_r_cp_api_glc_fabc_W2H5Fb3ASWT05?_encoding=UTF8&psc=1

(4) SWISS MOUNTING CLIPS FOR BOROSILICATE GLASS BEDS

$1.99

https://gulfcoast-robotics.com/products/4-swiss-mounting-clips-for-borosilicate-glass-bed?_pos=1&_sid=8423009b6&_ss=r

Aibecy DIY Hot End Kit 0.4mm Nozzle & M6 30mm Extruder Throat & 12V 40W Heater & NTC 3950 Thermistor & Aluminum Heater Block for RapRep i3 Anet A2 A8 3D Printer Replacement

$9.99

https://www.amazon.com/dp/B0718WYN5R/ref=cm_sw_r_cp_api_glc_fabc_e5H5FbRGH7P8A?_encoding=UTF8&psc=1

Ewigkeit MK8 Silicone Sock Heater Block Cover MK7/8/9 Hotend for Creality CR-10,10S,Ender 3,Anet A8 3D Printer(not Include Heater Block))

$6.29

https://www.amazon.com/dp/B07NWKXJD6/ref=cm_sw_r_cp_api_glc_fabc_05H5Fb0S52B57?_encoding=UTF8&psc=1

XHF 4mm(Wrapping Range:1.5mm-10mm) Spiral Cable Wrap Spiral Wire Wrap Cord for Computer Electrical Wire Organizer Sleeve Hose RoHS Black (Dia 4MM Length 20M)

$7.99

https://www.amazon.com/dp/B07JNRL843/ref=cm_sw_r_cp_api_glc_fabc_Q6H5Fb29K1H45?_encoding=UTF8&psc=1

The upgrades were triggered when this automatic bed leveling sensor went out and I needed to replace it:

Baomain Capacitance Proximity Sensor Switch LJC18A3-B-Z/BX NPN NO DC 6-36V 300mA 1-10mm

$9.99

https://www.amazon.com/dp/B01C57A80M/ref=cm_sw_r_cp_api_glc_fabc_LeI5Fb4C6K8V7?_encoding=UTF8&psc=1

Amazon no longer sells the actual kit I bought, which is too bad because it made bed leveling easy.


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Re: So ... 3d Printers....
« Reply #855 on: December 25, 2020, 04:53:58 pm »
All good info, thanks. 

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Re: So ... 3d Printers....
« Reply #856 on: January 07, 2021, 06:03:11 pm »
Slicer of choice?

I've just been using an older version of Cura that came with my printer.  Tried the newest version, but had better results with the old one.

An issue has surfaced that I believe is caused by underextrusion following a long unnecessary travel path taken by Cura.  I fiddled with some setting that made it remove some of the trips accross the object, but am curious if a different slicer would just make trips around the perimeter like I think should be done.
EDIT: Newest version of Cura takes a much better path.  Still interested to know what slicer people are using.  I downloaded PrusaSlicer, but have only tinkered with it a few minutes.

« Last Edit: January 07, 2021, 06:52:47 pm by BadMouth »

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Re: So ... 3d Printers....
« Reply #857 on: January 07, 2021, 09:25:25 pm »
I personally like PrusiaSlicer but I think the the real trick is to pick one and learn to tweak the settings to give you the best prints.  Each slicer has its quirks and will need to be set up a little different. For some reason I never warmed up to Cura though many people love it.  PrusiaSlicer seems to be developing at a good pace but doesn't seem to break my old settings as new versions come out.

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Re: So ... 3d Printers....
« Reply #858 on: January 08, 2021, 09:45:42 am »
Got a second-hand printer, then promptly learned just how hot a car can get during summer..

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Re: So ... 3d Printers....
« Reply #859 on: January 08, 2021, 02:07:56 pm »
Oh man I think you just learned of pla's low melting temp.  That looks like a first generation printer.... you are probably better off buying an all metal frame anyway. 

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Re: So ... 3d Printers....
« Reply #860 on: January 08, 2021, 02:48:56 pm »
It was free. I'll probably source replacement PLA parts, or get the guy who gave it to me to print them up, just to enjoy rebuilding it.

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Re: So ... 3d Printers....
« Reply #861 on: January 08, 2021, 07:59:15 pm »
Oh man I think you just learned of pla's low melting temp.

It doesn't hold up very well in water either.  I made some brackets to hold the lines to my automatic plant waterers to the bottom of the reservoir.  IIRC they lasted a few months submerged.

Bought a roll of ABS when I bought the printer.  Still haven't opened it because I don't want to smell ABS melting.

Got a deal on some PETG, so we'll see how that goes when it gets here.


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Re: So ... 3d Printers....
« Reply #862 on: January 09, 2021, 02:46:02 am »
Slicer of choice?

I've just been using an older version of Cura that came with my printer.  Tried the newest version, but had better results with the old one.

An issue has surfaced that I believe is caused by underextrusion following a long unnecessary travel path taken by Cura.  I fiddled with some setting that made it remove some of the trips accross the object, but am curious if a different slicer would just make trips around the perimeter like I think should be done.
EDIT: Newest version of Cura takes a much better path.  Still interested to know what slicer people are using.  I downloaded PrusaSlicer, but have only tinkered with it a few minutes.


Iíve been using SuperSlicer to good results. The only thing I donít like is how it does supports. Original Cura seems to do them best.


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Re: So ... 3d Printers....
« Reply #863 on: January 10, 2021, 10:37:44 pm »
I use Prusia slicer on my chiron.
i have it dialed in pretty good.

for my mini delta I use cura because the tree supports are wonderful when it comes to mini's and it took little effort on my part to get nice prints using someone else's profile.

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Re: So ... 3d Printers....
« Reply #864 on: January 23, 2021, 07:45:50 am »
This trick is probably common knowledge, but for anyone who hasn't heard about it....

The McMaster-Carr website has 3D CAD files for most of their hardware including screws, gears, brackets, etc.

Your process will vary depending on software used, but I am still playing in TinkerCAD so here is what works for me:
Download the file from McMaster-Carr in 3-D STEP format.  (A couple others I tried came out like swiss cheese)
Start a new project in FreeCAD and import the STEP file.
Select All and export to STL.
Import to Tinkercad or slicer of your choice.

This morning I'm messing around with plastic reduction gears.
Haven't printed or tried to use any yet.
I've used the process in the past to create screw holes with countersinking.


« Last Edit: January 23, 2021, 07:51:46 am by BadMouth »

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Re: So ... 3d Printers....
« Reply #865 on: January 23, 2021, 09:27:41 am »
McMaster is a great resource for 3D CAD files.  But be cautious about the gear files they have.  I've looked at several and the modeling of the curved gear tooth is an approximation in the CAD files and is not a true gear tooth form.  This may or may not be an issue depending on what your use is for the parts.

I'm a Mechanical Engineer and I do spur and helical gear design as part of my job.  The approximation that McMaster does is pretty common for 3D modeled gears.  In manufacturing most gears (not 3D printing) the manufacturing process makes the special curve of the gear teeth just by the nature of how the process works.  Hard to explain but it was found many years ago that the complex shape of that curve can be made with relatively easy to make tools and processes.  But making it in 3D modeling software is very difficult. 

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Re: So ... 3d Printers....
« Reply #866 on: January 23, 2021, 02:16:50 pm »
I should be getting the parts today to upgrade my Anet A8 frame to aluminum! Iíve spent the past month really getting this machine dialed in, and this was the next natural step. Itís also the final step, as I plan to save up this year to build a Voron by this time next year. Iíve really enjoyed how much Iíve learned about 3D printing these last few month. The trick is to find someone just as enthusiastic who knows more than you and is willing to share knowledge! :)

Iím currently printing the connector parts for the new frame using PETG for the first time.


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Re: So ... 3d Printers....
« Reply #867 on: January 23, 2021, 02:57:44 pm »
Iím currently printing the connector parts for the new frame using PETG for the first time.

Just printed my first PETG parts an hour ago!

The shiny black looks better than the dull grey and blue PLA that I use for everything.
Parts seem soft/rubbery, but they are thin and were still warm when I made the observation.


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Re: So ... 3d Printers....
« Reply #868 on: January 23, 2021, 03:10:32 pm »
Dunno where else to post this.  $9 worth of Semitsu buttons + $6 shipping to have proper color buttons for my $140 cnc machine.  I seem to be drawing out the process of setting up the machine and 3D printing accessories rather than learning how to use it.  I did learn how to set up and calibrate the machine in grbl so that's something.

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Re: So ... 3d Printers....
« Reply #869 on: January 23, 2021, 06:28:30 pm »
Dunno where else to post this.  $9 worth of Semitsu buttons + $6 shipping to have proper color buttons for my $140 cnc machine.  I seem to be drawing out the process of setting up the machine and 3D printing accessories rather than learning how to use it.  I did learn how to set up and calibrate the machine in grbl so that's something.

Love it, dude!

Wish I had the space for a CNC. I bought the parts to make one, but ended up with no space. Keep us posted!


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Re: So ... 3d Printers....
« Reply #870 on: January 23, 2021, 06:29:30 pm »
Iím currently printing the connector parts for the new frame using PETG for the first time.

Just printed my first PETG parts an hour ago!

The shiny black looks better than the dull grey and blue PLA that I use for everything.
Parts seem soft/rubbery, but they are thin and were still warm when I made the observation.
Once mine dried, they were rock solid.

Theyíre joints for the metal frame, so theyíre thick, but they feel more solid than anything Iíve done with PLA.


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Re: So ... 3d Printers....
« Reply #871 on: January 24, 2021, 09:00:35 am »
FYI, if you need just a little filament in various colors for a few small prints, do not be tempted to buy the polaroid pen pla at Joanne fabrics.
I got some polaroid PTEG and it seems great.  The interwebs says that they buy and rebrand from wherever they can get a deal, so the quality is not consistent.

Some colors print fine.  Two of colors I need clogged my nozzle repeatedly and eventually bonded to the PTFE tube inside the heatbreak.
Kept going higher with the temperature hoping to get it to stop clogging.  Maybe I cooked it.
Printer is down until replacement parts come.   :cry:





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Re: So ... 3d Printers....
« Reply #872 on: January 24, 2021, 02:12:50 pm »
I should be getting the parts today to upgrade my Anet A8 frame to aluminum! Iíve spent the past month really getting this machine dialed in, and this was the next natural step. Itís also the final step, as I plan to save up this year to build a Voron by this time next year. Iíve really enjoyed how much Iíve learned about 3D printing these last few month. The trick is to find someone just as enthusiastic who knows more than you and is willing to share knowledge! :)

Iím currently printing the connector parts for the new frame using PETG for the first time.


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how have I never heard of the VORON?
what's the average cost to build one of these?
i'm talking the parts other than those you 3d print.



Wish I had the space for a CNC. I bought the parts to make one, but ended up with no space. Keep us posted!


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mine is still on the dining room table.
soon to be leaning up against the china cabinet.
It draws a pretty crown though with a marker.

It turns out i need more room than i thought to set it up and be able to actually use it.
so I have more work down in the basement.
« Last Edit: January 24, 2021, 02:33:53 pm by nitrogen_widget »

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Re: So ... 3d Printers....
« Reply #873 on: January 24, 2021, 02:29:19 pm »
FYI, if you need just a little filament in various colors for a few small prints, do not be tempted to buy the polaroid pen pla at Joanne fabrics.
I got some polaroid PTEG and it seems great.  The interwebs says that they buy and rebrand from wherever they can get a deal, so the quality is not consistent.

Some colors print fine.  Two of colors I need clogged my nozzle repeatedly and eventually bonded to the PTFE tube inside the heatbreak.
Kept going higher with the temperature hoping to get it to stop clogging.  Maybe I cooked it.
Printer is down until replacement parts come.   :cry:

get the Capricorn or Capricorn clone PTFE tube.
it's usually dark blue. get the cutter. it's worth it.
i also use it for small engine gas line (whacker and chainsaws) when replacing carburetors.

I had to replace the white one on my printer after trying to print pet-g.
when i pulled the white ptfe out it was almost black on the end and the hole had narrowed so much filament wouldn't go through it.

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Re: So ... 3d Printers....
« Reply #874 on: January 24, 2021, 03:22:27 pm »



get the Capricorn or Capricorn clone PTFE tube.
it's usually dark blue. get the cutter. it's worth it.
i also use it for small engine gas line (whacker and chainsaws) when replacing carburetors.

I had to replace the white one on my printer after trying to print pet-g.
when i pulled the white ptfe out it was almost black on the end and the hole had narrowed so much filament wouldn't go through it.

I saw bowden tube size, but none as small as what's in my heatbreak (3mmOD,  1.78 or 2mm ID).

Cheap heatbreak replacements with ptfe inserts will be here in a couple days, but after reading up on the subject I decided to order a genuine 3DP V6 all metal hotend.  The old mp mini select probably isn't worth the upgrade, but I felt like it was going to nickle and dime me to that amount of money anyway.  The V6 bracket was the first thing I printed, as is recommended.
 

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Re: So ... 3d Printers....
« Reply #875 on: January 24, 2021, 06:06:18 pm »



get the Capricorn or Capricorn clone PTFE tube.
it's usually dark blue. get the cutter. it's worth it.
i also use it for small engine gas line (whacker and chainsaws) when replacing carburetors.

I had to replace the white one on my printer after trying to print pet-g.
when i pulled the white ptfe out it was almost black on the end and the hole had narrowed so much filament wouldn't go through it.

I saw bowden tube size, but none as small as what's in my heatbreak (3mmOD,  1.78 or 2mm ID).

Cheap heatbreak replacements with ptfe inserts will be here in a couple days, but after reading up on the subject I decided to order a genuine 3DP V6 all metal hotend.  The old mp mini select probably isn't worth the upgrade, but I felt like it was going to nickle and dime me to that amount of money anyway.  The V6 bracket was the first thing I printed, as is recommended.

interesting.
it sounds like your mini and my mini delta use the same hot end.
I had to order the metal heat breaks with PTFE inside also because I tried printing ABS on it and I had the same issue.
those hot ends are mickey mouse.

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Re: So ... 3d Printers....
« Reply #876 on: January 24, 2021, 06:08:44 pm »
I should be getting the parts today to upgrade my Anet A8 frame to aluminum! Iíve spent the past month really getting this machine dialed in, and this was the next natural step. Itís also the final step, as I plan to save up this year to build a Voron by this time next year. Iíve really enjoyed how much Iíve learned about 3D printing these last few month. The trick is to find someone just as enthusiastic who knows more than you and is willing to share knowledge! :)

Iím currently printing the connector parts for the new frame using PETG for the first time.


Sent from my iPhone using Tapatalk


how have I never heard of the VORON?
what's the average cost to build one of these?
i'm talking the parts other than those you 3d print.



Wish I had the space for a CNC. I bought the parts to make one, but ended up with no space. Keep us posted!


Sent from my iPhone using Tapatalk

mine is still on the dining room table.
soon to be leaning up against the china cabinet.
It draws a pretty crown though with a marker.

It turns out i need more room than i thought to set it up and be able to actually use it.
so I have more work down in the basement.
A good, upgraded Voron will run you over $1000, but the quality is impeccable. Thatís why Iím playing the long game with that one.

Iíll keep the Anet as a secondary printer, but itís definitely evolved from the stock version!


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Re: So ... 3d Printers....
« Reply #877 on: January 27, 2021, 09:02:41 am »
After installing a new heatbreak with fresh ptfe liner, the mini select was back up and running with my usual filament.
Tried to print the polaroid pen filament again and it clogged again.  In the process of clearing that, I assume that I damaged the thermistor wires because the temperature showed maxed out.
Shows maxed out even without the thermistor plugged into the main board.  From what I read online, the main board is now bad.
So I have a $60 hotend on the way for a 5 year old $150 printer with a bad board.  :timebomb:

I could swap in a ramps setup (with learning curve), but at this point I'm sick of working on it and sick of spending money on it.
The hotend I ordered is 12v, so it will only work with certain printers.  The return policy (printedsolid) says they only process returns once a month, so a refund might take that long.
ugh......

I'd get an Ender 3, but they are 24v and the whole wheel/guide setup just doesn't seem like a good system to me.
Settled on an Anycube Mega S.  Not as much support for it, but it's ready to print after attaching a few screws and it's 12v so I can still use the e3d v6.

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Re: So ... 3d Printers....
« Reply #878 on: January 27, 2021, 05:22:52 pm »
After installing a new heatbreak with fresh ptfe liner, the mini select was back up and running with my usual filament.
Tried to print the polaroid pen filament again and it clogged again.  In the process of clearing that, I assume that I damaged the thermistor wires because the temperature showed maxed out.
Shows maxed out even without the thermistor plugged into the main board.  From what I read online, the main board is now bad.
So I have a $60 hotend on the way for a 5 year old $150 printer with a bad board.  :timebomb:

I could swap in a ramps setup (with learning curve), but at this point I'm sick of working on it and sick of spending money on it.
The hotend I ordered is 12v, so it will only work with certain printers.  The return policy (printedsolid) says they only process returns once a month, so a refund might take that long.
ugh......

I'd get an Ender 3, but they are 24v and the whole wheel/guide setup just doesn't seem like a good system to me.
Settled on an Anycube Mega S.  Not as much support for it, but it's ready to print after attaching a few screws and it's 12v so I can still use the e3d v6.
Nice. When I get done with this frame update this weekend, the only original parts will be the stepper
motors and the PCB.




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Re: So ... 3d Printers....
« Reply #879 on: January 27, 2021, 05:26:02 pm »
Oh, and let me know how the e3d v6 upgrade goes. I may or may not go that route myself.


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