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#define MICRO_STEPS 16
This was the key to success!
(And I also had to double the setting for the Extruder Steps per mm.)

Thanks!

Sigi

Here are my latest calibration prints. The wall is 0.54mm with a 0.5 nozzle and the infill on top of the cube also reaches the perimeters now. calibrationobjects.jpg Here is what I did: 1. I changed to Polygonhell's firmware. Much smoother movement of the stepper motors. 2. I used Cura for slicing ...

Well - that's the strange thing. It does neither work if I change it in configuration.h with arduino 1.0.3 nor when I change the values in eeprom menu in rephost. As far as I understand this either the values from configuration.h or from eeprom should work depending on which mode I use.

Sorry I forgot to mention that I also did adjust the printer setting in Repetier host. But no matter what I do, the carriage stops at the same height (approx. 20 cm above the bed).

Hi! I changed to Polygonhell's firmware because it is the only way to get my LCD working. But now my z0 position is more than 20 cm above the bed level. And I just don't know which value I have to change. Here's what I've tried so far: (My Z_HOME_POS with the Marlin firmware was 373.0) Configuration ...

I just did a quick print of the bottom layers of the calibration cube with a new 0.35 mm nozzle. I think the settings are not optimal yet. The left with slic3r and the right one with kisslicer. The blob is from interrupting the printer.

The slop is less than 0.5 mm. This could probably be improved by putting some varnish on the 3 mm steel wire so that the ball connectors fit even more tightly and you can preselect the ball connectors (I have two that have a minimal slop.).

Very nice indeed! That is one of the nicest setups I have seen. It amazes me what people come up with and where they get those parts. Great job! Could you give a source for those ball connectors. It looks like you used a different platform at the end of the arms also. Do you have an STL for that? I ...

I got all the parts at our local model building store: http://shop.lindinger.at/product_info.php?products_id=57648&language=en The rest is a 3 mm steel wire, an aluminium pipe that fits over the steel wire to make the spacers, a 4 mm carbon fiber laminate tube, 12 pieces (45 mm each) of 4 mm ...

To finally get rid of the delta arm blues I built some new delta arms with ball bearrings and carbon fiber lamitate pipes. The spacers are made from aluminium pipes. So now I definitely have no more friction in any direction. (You can also see improvements on the end stop adjustment screws so that ...

Hi! I am also playing around with Kisslicer. What settings do you guys use in the ...Speed tab? When I started my first print with the default settings the stepper motors made a noise as if they wanted to jump out of their seating when travelling down from the home position. And I also don't know ...

They can swing freely in all directions. But as I tried to show in my video (https://vimeo.com/63456919) I think I've overdone it with widening the holes of the arms.

Thank you for your answers. I checked all the delta arms once more, but there are no signs of friction. If I connect the arms only to one u-joint they can swing freely like a pendulum. Just to be completely sure that there is no friction, I sanded the arms again. (Actually I think that this was not ...

Here are the pictures:
The only difference in printing was the speed. First print was 15mm/sec and second 30mm/sec.

The cheapskates are perfectly stable. I will take pictures of the cubes tomorrow morning.

Hi! I just finished my Rostock Max some days ago and started with printing the Skeinforge Bridge Calibration Cube as recommended in the assembly manual. Apart from some slight gaps in the infill the machine seemed to work fine. But when I did a close inspection of the finished cube I found, that the ...