I have the same rotary attachment, and had issues with alignment as well. I made a larger drive wheel for it and it helped a lot. Thicc Wheels for Vevor Rotary Attachment by deez2009 - Thingiverse
Also, check the idler wheel to drive wheel alignment, mine was off by a few mm, which caused issues too.
Hi Dennis. My main problem was with the idler wheel to drive wheel alignment too. Thanks for the link but I can’t open it. I assume you made the wheels wider. That makes sense.
Hi Jack. Added some more pics. Alignment wasn’t a problem at all. Made sure the machine frame was square and true when I built it which made it easier to get everything level. The first two mirrors are fixed so once they are set the rest is easy. The tube outlet is about 20mm below the level of the moving mirrors but his doesn’t seem to make any difference.
I love the pictures. It’s great to see peoples creations, especially when they vary from most of the rest. Any modifications, I enjoy looking at.
With my PiBurn, it’s pretty stable. The issue is when I do any kind of vector graphics, I can’t get it to move slow enough that the cup doesn’t lose traction.
I can’t lase much below what I’m doing now and slowing it down seems to ‘burn’ it too much. Most of my best stuff has been with scan or fill. This cup has the town logo on it from this shot of the city truck.
Had to clean it up a bit, but it turned out OK for one of the first dozen I’ve done.
Used
https://www.amazon.com/gp/product/B0875QLGXR/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Getting better with it. Going to try it with tile…
That’s impressive. Only tried glass so far but metal and others will come later
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