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But what i did: I stop the motors with the button on the display and moved the head in xy direction to have more space. That's your mistake. The vast majority of 3D printers are using open-loop position control. The assumption is made that the steppers are not missing steps and so all the moves are...

Where does the filament density come from for this calculation. It would have to be in the gcode. Make sure you have the density set properly in your slicer.

I finally got around to digging into this. My end-goal has changed - going to install a DUET 2 WIFI board, but the requirement on the touch screen is pretty much the same. I downloaded the IMG file you linked to and dumped it on an SD card. Flipped switches accordingly, and a desktop appears. The di...

Stepper motors move in steps. The X and Y motors are moving at different speeds depending on the angle of the segment being printed. STL files have no curves, so curved edges are printed as segments of straight lines. The motors moving at different frequencies will play different 'chords' depending ...

Great job and thanks for sharing :-) Have you ever thought about water cooling? I know the Pro can be short on cooling, but I haven't had any problems with my N2/N2+. I've redesigned my cooling arrangement to (I believe) improve cooling with fans, and added programmable part cooling - a dubious on ...

There are already probes that can map out the surface of the bed. IMHO, a better solution that attempting to "calibrate" in real time while printing. A sensor that can measure your extrusion in real time, that would see all different materials and colors on all different build surfaces at ...

How 'bout if you swap X and Y motor cables on the controller board. It could be a wiring issue. I gave that a try and still got no response from the Y-axis. Can you clarify? You swapped the X and Y motor cables on the controller board. You say no response from the Y axis - do you mean the MOTOR on ...

Markus64 wrote:Respect, great job!

Thank you.

Interesting arrangement. If fan #5 is cooling the cold end heatsinks, do you still need the two inboard fans? What is the noise level like? I changed my 30mm cold end fans for 40mm Noctua fans to reduce the noise, but I'm guessing your 5up squirrel cage design is loud. Valid questions - I can't say...

My MO is not generally to take an inadequate design and throw more stuff at it to solve the problem, but that's what I'm trying here. There is enough about this concept that I like, plus i have the fans. I think the issue with the hot end cooling is just that I'm drawing in the hot air rising up fro...

Just did a few slices on that one - that one looks like a candidate for a .8mm nozzle - run time might drop below an hour.

I ran one piece with the settings above. I set the extrusion width to .63mm as that eliminated the gap between shells and didn't require any fill. Printed one part in about 1 hour 20 minutes. It isn't the prettiest part I've ever made, but it looks perfectly functional, and the integrity seems great...

I'll be able to run a test print this evening.
I'm able to fit three of these on the N2 print bed, and it looks like I can run the build in under 4 hours without pushing the speed (60 mm/s), .6mm nozzle, .3mm layer.

What material are you running? I could run a couple test parts to see how they build. I think it looks fine with a .6mm nozzle. Based on what I can see here, PETG would be my material of choice.

I generally go no more than 50% of the nozzle diameter, especially where there is overhang. I can't say I've run test prints with a very thick layer, but if layer bonding is important to you, it doesn't seem like a good idea. I could be wrong. Larger nozzles make a huge difference in print speed. I ...

This is an N series. Is the carrier different on the Pro?

Machine is running with the new fan arrangement. The hot-end cooling appears to be a bit inferior to the factory setup. I may try to find a spot to place one more fan to feed cool air to the heat sinks - might just be pulling in hot air from the heat blocks. The air flow seems good. The print coolin...

I thought you were saying the bed before printing was off by 2-3mm. What you're saying is that you're getting 2-3mm of warp in an ABS print. That is believable. ABS can be tricky material, and not all ABS filaments are created equal. I've had some that I've never been able to print with and others t...

Who's the poor, unfortunate, sadistic soul who designed the bearing retention for these things? The X-Axis bearing isn't a big deal, but the Y-Axis has two circlips - one practically inaccessible due to the filament tubes, the other is locked in place in a narrow groove because there's no clearance ...

Are you sure you're not missing a decimal on your measurements? A 2-3mm deviation from flat would be huge. .2mm is still a lot, but more understandable. If you are seeing a rise in the center, I'm guessing it's actually slight sag of the cross rods supporting the print head. The simply supported rod...