The 3D Potter guys would probably enjoy free advertising (not affiliated with them, but I know they use duet+expansion).

Their stuff is definitely on the weird end of the spectrum, but I'm curious to see what else is posted here.

@tletourneau

A Hypercube is just one specific printer design that uses the CoreXY kinematics/belt layout. There are many others such as:
-Voron
-V-King
-D-Bot
-V-Core
-RailCore II
-Hypercube Evolution
-Many other lesser known printers

Your only option, that won't cause issues with your thermocouple readings is to put an inline thermocouple connector.

These connectors can be purchased from Omega Engineering here:
Miniature Size Thermocouple Connectors

Make sure to select type K, with the IEC color code.

I would put the splice pretty close to the extruder, that way you can run the extension cable the whole way and have the connector accessible if you ever need to work on the hotend.

You can find thermocouple extension wire here:
Thermocouple Extension Wire
Or Here:
Stranded K-type Thermocouple Wire AWG 24 with Kapton Insulation Extension 5 yard

I know it's probably more than you were planning on spending, but if you want to use a thermocouple, then it's kinda your only option unfortunately.

-Tim

@skivvy I would change that to, a restaurant with a menu of the length of a Bible that has the 8 items you want, but they are all scattered amongst it's many pages, and it takes a while to get your order, and you don't know if those are actually the right items, and if they aren't cooked right, you have to go back to the restaurant supply company to fix it rather than have the sheff fix it...

Reprapfirmware is like a buffet that's cooked perfectly has everything you need to customize right in front of you.

You would need to find servo drives that take step and direction inputs, and then use an expansion board for external drives. The duet does not support driving a linear servo directly, as it has integrated stepper drives. You could probably use linear steppers as long as they are bipolar, 4 wire motors.

With that being said, what is the need for using linear motors? Essentium uses linear motors for their "HSE 180" system and their prints look awful, disgusting, and just depressing. At least, the one I saw in person, and in their videos.

Are you running a 12V power supply? If so, my guess is that your voltage is dropping too low, causing the duet to trigger a pause, re-home, then restarting your print. This is the only logical explanation.

Check to see what your M911 settings are, as well as send an M112 to see if your power supply fell below the voltage set in M911.

@Danal .09mm in Z repeatability seems rather high, and I would expect that to be much lower than the xy repeatability. Any thoughts as to why this is?

@3DPrintingWorld Eh, I think it would be hard to get a good enough piezo mounting scheme to make this work with any accuracy. You would either need one sensor to detect in 3 directions, a number of sensors. But then your mechanical assembly needs to allow for deflection in 3 directions by a small amount. Completing the circuit is probably the best method. This is similar to how lulzbot has had their bed leveling (off the 4 metal corner pucks).

All that is required (in the most basic sense) to make this work, is a wire electrically connected to the nozzle/heaterblock/heatbreak/heatsink, and another wire connected to the heated bed. When the circuit is completed, it is the same result as a limit switch. This is not at all related to the stepper drivers, as it is just a calculation that is done on the controller.

They touch one side in x or y, then touch the other, if the first point is a lesser coordinate value than the second, the middle of the circle is (P2 - P1)/2. Repeat this for the other axis, and you have a 'global' reference for the center of the nozzle. This is then done for the second nozzle, and the XY values are compared.

That's the gist of the the system.

Here are some references:
http://catiadoc.free.fr/online/smgug_C2/smgugrf1200.htm
https://www.youtube.com/watch?v=R_D3-Ji3Y5Q

@Haggan90 Open up two "identical" gcode files and post the commands for a couple layers, this might make the difference apparent. A good place to start.

-Tim

@Patrick_487 A while back I saw someone with a similar issue whom increased his stepper currents and that seemed to help a considerable amount.

He started at 800, and went to 1600 for reference.
-Tim

@skivvy I would change that to, a restaurant with a menu of the length of a Bible that has the 8 items you want, but they are all scattered amongst it's many pages, and it takes a while to get your order, and you don't know if those are actually the right items, and if they aren't cooked right, you have to go back to the restaurant supply company to fix it rather than have the sheff fix it...

Reprapfirmware is like a buffet that's cooked perfectly has everything you need to customize right in front of you.

Hi,
I have an application that I am using a duet for which is not an xyz machine and really only has an x axis.

Is there any way for me to hide the Y and Z axis options on the main page? I assumed when I un-mapped them they would disappear, but they remain.

Thanks
Tim

The 3D Potter guys would probably enjoy free advertising (not affiliated with them, but I know they use duet+expansion).

Their stuff is definitely on the weird end of the spectrum, but I'm curious to see what else is posted here.