Printer Built From Spare Parts
Intro
The video above shows a 3D printer I built almost entirely
from spare parts. Building it was really fun, although it
definitely came with its challenges. The project took around
6-7 months to complete, and I learned a lot in the process.
Challenges
One major challenge was the Z-axis. I wanted to use three Z
motors instead of one Z motor with a belt, but the motherboard
from my Ender 3 couldn't reliably supply enough current to
drive all three. It would sometimes work, but not
consistently.
To fix this, I soldered the Z motor wires together and
connected them to an old Anycubic motherboard running Klipper.
It took a while to get the Klipper configuration correct, but
once done, it worked very well.
Why I Don't Use It Much
I don't use the printer much right now because I still need
proper bearings for the belt system. I've noticed black specks
forming where the belt rubs against the plastic, which
suggests wear. Until I fix that issue, I'd rather not risk
long-term damage.
How I Got Into 3D Printing
My First Printer
I still remember buying my first 3D printer: a Voxelab Aquila
X2 for $150. At the time, it was all the money I had. I was
even digging through the LEGO bin looking for a few extra
cents in there because I was slightly short(TAX).
The printer itself wasn't bad, it printed fine but I was
constantly fixing it. Looking back, that's actually what
pulled me deeper into 3D printing. That was the printer that
had me understand how 3d printers worked.
The $40 Anycubic Chiron
Around six months later, I found an old Anycubic Chiron on
Facebook Marketplace for $40. I asked my mom if I could buy
it, and she said yes. When I got it, it had extruder issues,
so I bought a new extruder and replaced the old one. After
that, It ran into problems with the Bowden tube system.
To solve this, I designed and made a mount to convert the
Chiron to direct drive because of the bowden tube issues. At
first, I secured it with hot glue because there were no screw
mounts on the print head, but it kept slipping. Eventually, I
drilled a hole into the print head and properly secured it
with a screw.
I managed to get exactly one successful print from it: a
preloaded stringing test file. After that print, the
motherboard broke.
The Motherboard Failure
The board had already been faulty and the hotend would
sometimes overheat, and that probablly had to do with to it
breaking. At the time, I didn't know much about electronics
and stuff like that. Looking back, I think it might have been
a blown fuse.
Since I couldn't find a replacement, that was the end of the
Anycubic Chiron. Then for no good reason, I completely
disassembled the motherboard to see how it worked and to try
and extract gold? Then I dissasembled the actuaul Chiron
itself and used the spare parts in other projects. Now that I
think about it, It was the chiron that provided all the parts
for ather projects and printers like the printer I built from
spare parts were parts from the Anycubic Chiron.
The Free Ender 3
The person who sold me the Anycubic Chiron also had an old
Ender 3 and offered it to me for free to fix. He said that it
needed a new motherboard and a bed. THe reason that he gave it
to me was because all of the parts would be too expensive and
not worth it for him to replace.
When I inspected it, I discovered that the small green
terminal connector for the heated bed wiring had melted. The
bed wires were also frayed too.
Then I soldered new wires directly to the motherboard where
the connector had been. The reason I did that was because I
had a old wood burner with gunk on it combined with 3mm thich
soldar wire(NOT A GOOD COMBINATION) After that, I soldered
those wires back onto the green terminal block so I could
still screw the heated bed wires in normally. To this day, I
still can't believe that I was able to soldar the green block
to the motherboard with a wood burner. But after that, the
printer ran perfectly fine. Until like a year and a half later
I accidentally shorted those wires during a different repair.