I would definitely set a fine calibration position so you have a good reference point. The limit switches are not as accurate as a fine calibration po...

Thank you. no problem sharing remixes of the 3D printed covers and spacers parts.

Awesome, that looks really good.

looks like a good start. keep me posted with any questions.

Yes, if you look under the print files for the original AR4 the J2 stop had the 8 hole pattern. Let me know if you have any trouble finding it.

Excellent work, looks great. thanks for posting.

Nice, Im interested to see how the castings turn out. Keep us posted.

Hello, yes if you look under the AR3 downloads at the bottom there is a text document on upgrading as well as a sketch file to load to your board for ...

Pictures were emailed and this issue was in fact the J2 arm was installed in reverse - or was flipped over.

Can you post a picture showing the misalignment? as @matthewfreilich pointed out there could be an orientation issue.

looks great. nice work

Nice work, I love it.

I didn't realize that was missing. I will get that added soon. For the time being please check the AR3 files as noted by @Johann Voigtlander

Nice work! that's awesome and thank you for sharing.

That's awesome! thanks for sharing.