More of a forum test than anything. But I did just receive the printer. Delays aside, that was some fast shipping. I did a quick unboxing and the general components seem to be there and well packed. Unfortunately/fortunately I’m headed out for vacation so won’t get to the actual building for a couple weeks or so. I look forward to everyone else working out the kinks and hopefully an active community :-). If there are any Linux users out there, I’m cautiously optimistic that I can build a release of Cura once the resources are pushed to git. Maybe I’ll start another thread once we have a build, seeking brave souls to try it. This concludes the forum test :-).
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Also got a pre-built Proforge 3 with DSH. After an initial difficult start, I got it working (more or less).
What's working:
Cura AppImage for Ubuntu 20.04.
Octoprint with integration into Cura.
Benchy PLA single extruder was ok. Not the best quality but my PLA was old.
Dual extrusion calibration. I had to set y and z offset for the tool#2.
Simple and small dual color prints below 1h printing time.
What's not working well so far:
More complex dual color prints. It starts well, but then I get one or both hot-ends clogged. When this is happening I have to remove the bowden tube in order to pull out the filament manually. I suspect this has to do with reaction distance (7mm and 12 for tool change) and print temperature. Could also be a bad combination of PLA and the all-metal hot-end.
Sometime my filament breaks between the extruder and the hot-end. Probably bad-quality / old PLA... I will try to reduce the retraction speed. My other printer with a bowden extruder has no issue.
Bugs in the firmware. E.g. sometimes resuming a print (from Octoprint) starts at the top-right of the print area and I have to abort the print.
Other:
I had to calibrate both extruders. One of them was quite off (11.8 mm extruded instead of the 10mm requested).
Skipping layers and noisy movements. => fixed by oiling all the linear bearings.
In general this printer is very loud... Hot-end fan is loud and there is one fan in the electronic part that is extremely loud. Not sure if it is the side fan or the one from the PSU. I will look into upgrading the fans as soon as I'm confident with the print quality and reliability.
The x and y steppers are also loud. I do not notice a difference if I activate or deactivate the StealthChop mode of the Trinamic drivers from the touchscreen. Anyone could provide feedback here?
The z steppers are not able to support the build plate weight (MIC-6) when not powered. Therefore you have to manually level the bed after each shutdown. Then, perform a UBL before the first print. I know about the z-synchronization upgrade. I'm too lazy to implement it for now. I think this should be by default.
Fan shroud was not delivered.
The 2nd build plate I ordered as spare part was not delivered.
@Sebastien Baures I purchased my Proforg3 + Dual Switching Extruder pre-built, so if you need any photos of the completed assembly let me know.
Hello all, just to complete some feedback I started to put on the kickstarter comments:
last findings while assembling the printer, I am waiting on the final built instruction for the dual extruder but proceed to mount the standard extruder to provide feedback:
In my case there are no spare parts (bolts/nuts...) and some are missing, I just ordered some bolts and nuts sets just to be safe once the full set of instructions are released.
PRINTER:
-stage 06 - step 7- 1 missing M4 x 8mm, used one M4 x 10mm from the enclosure bag. -stage 06- step 11- missing length on where to cut in the instructions, 88mm worked for me. -stage 06- step 14- missing 2 M3 x 20 DUAL EXTRUDER: -stage 04- step 1- M2.5 x 6 are too long, should be x 5mm or x 4mm. I did cut the bolts to remove about 1mm in length. -stage 04- step 4- M3 bolt missing, replaced by extra cap bolt left from the printer.-stage 04- step 06- correction on the instruction, bolts are M4 x 20mm, no M4 x 22mm are supplied or listed in the bags. -step 06- missing part in the kit: no M4 nyloc nut supplied in the bags, also not listed in the bags. -step 07- probe mount is different, no M3 x 6mm remaining, used M3 x 8mm from bag A. -step 11- 2 M3 x 12mm bolts are missing in my set. -step 14- missing indication on the servo extension, connector on other end can only be plugged in one way. Picture on how to align the pins marks with an arrow on the servo and extension connector would help. In my case the connection is correct with the arrow-identified cables (signal) connected to each other.
I got mine yesterday. Slowing working through it's assembly.
I'm willing to test the linux version if you succeed at compiling. I tried it once but failed. My printer just arrived at the door. The only thing so far I can see is the bad quality of printed parts. over extrusion, z-banding,... I hope it's not an example of the print quality of the proforge 3