@techsalad, admirable story you have there. In another forum, we also have another disabled person who’s into 3D printing.
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@Arnold , the person you’re referring to …did he/she have an accident and the printer toppled onto the floor creating extensive damage?
@techsalad, well we talked about our eyes 
he’s legally blind on one, so I am still in a better shape with my left.
Couple of tough days, sorry for the delay folks…
So, after the aggressive build-plate leveling procedure mentioned above, I wanted to see how accurate this modded MKII could print at .05mmLHeight x .25LWidth using the stock .20Noz.
Fired-up S3D and loaded SyntaxGeek’s .20Noz S3D-profile (Thingiverse-3035906), a remix of @antoledcetus amazing S3D profile also available from Thingiverse. Huge shout-out to @antoledcetus for his S3D .40Noz profile, I used his profile to print the models shown above in an earlier post.
Loaded Thingiverse-2039065 (this is the coupler and nut as shown in an earlier-post above printed .40Noz .20LHeight .40LWidth 65mm/sec). Attempted .05mmLHeight x .25LWidth using the stock .20Noz. No-go, too many settings to dial-in .05LHeight on the .20Noz, It’s the extruder flow-rate that needs tweaking, just don’t have the time to investigate.
So here’s the coupler printed with .20Noz at .10LHeight x .25LWidth at 40mm/sec.
no supports, no raft, no brim…just those 3 tiny pillars you see at the top of the coin.
edit: I know, crappy photo, I just can’t get past the pain right now, sry folks.
edit: below, better photo showing profile of coupler:
cheers,
Brent
Technology Salad
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Looks like a pretty nice print!
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Tks for the feedback @bjorn , difficult to show the profile while keeping overall focus but also trying to display the layer lines. A shallow depth-of-field while in macro mode because of the taper, need a 3D camera to properly photograph this type of subject 
Here’s the coupler printed with .20Noz at .10LHeight x .25LWidth at 40mm/sec.
- no supports, no raft, no brim…just those 3 tiny pillars you see at the top of the coin.
cheers,
Brent
Technology Salad
Thought it might be fun for you folks to see a portion of my CAD workstation for the Cetus3D mod project. To the right are two 24" CAD monitors, a 21" Wacom Cintiq Artist Tablet and many more tools-of-the-trade.
There is a slight teaser of my heavily modded Cetus3D MKII in the photo …enjoy 
cheers,
Brent
Technology Salad
Thanks Brent for the updates, the 0.2 mm prints look magnificent! Still very looking forward to your mods, but no pressure, just Vorfreude! 
I received the heated bed upgrade parts for my Cetus MK3 today, so some fun stuff to tinker with in the coming days.
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@superhans , And thank-you for the feedback Andreas. I’m also Vorfreude!
You know Andreas, I’m a little puzzled these days. A few months ago, when I was in frequent contact with a few of the support staff at Tiertime regarding the mods I was developing, I mentioned I had found a way to further stabilize the y-axis with two bolts. They could implement the method at the factory and no-one would ever notice the mod was in place. You would have to know it was there to discover it, seriously, it just blends into the existing hardware and looks like it’s just another bolt-head performing the fastening-job the others are. I offered the mod as a trade-secret and said I would sign an NDA to complete the trade-secret circle-of-knowledge…no reply to-date.
I’ve been participating in the 3D printing industry for 7+ years now, and I continue to be amazed at the continued use of precision components attached to structural components not-so-precise. I know, it’s a balancing act to compete in the marketplace… money money money makes the world turn…capitalism vs product evolution… the razor’s edge.
edit: Enjoy the new heated-bed upgrade, I can see your perma-grin in your forum-post!
Anyway, back to work…cheers, Brent
@techsalad Yeah it’s really puzzling when people like you, who have a lot of experience in the field, happily contribute to a better product and it’s not even considered… And sure, it’s always a trade-off, but if a few printed pieces or other cheap parts can make a significant difference, you have to wonder…
I entered the 3D printing space since beginning of 2019 and am really amazed by the community so far. Very welcoming, lots of sharing, it’s fairly easy to contribute.
Still in the process of installing the heated bed. Although I’m puzzled by two printed parts that where included… No documentation/manual available, oh well.
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I enjoy tackling the unsolvable, the more difficult the better for me… send me a photo, private message me if you prefer.
If just a fraction of the world took their challenges with your stride I think the world would be a better place.
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@techsalad Cheers! I commented here with photos: https://support.tiertime.com/hc/en-us/articles/360023111253?page=1#comment_360002149073 The main issue is the replacement bracket, if it must be used. It has a dent that looks intentional and probably improves the structural stability of the bracket, but makes it impossible to mount it flat and not angled. Thought about designing a spacer between the bracket and the bearing block to allow for even and firm mounting. The printed parts are another puzzle, but less relevant I suppose. I thought the one with the hole might be a spacer, but it doesn’t fit for that purpose…
Thanks for the words guys, really makes a difference for me hearing them… most certainly propels me to continue despite my physical burdens. Cheers, seriously!
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@techsalad No rush and cheers! Tiertime should really improve their documentation. I also contacted them directly. It’s not like one needs a 50 page manual, in most cases a few photos would suffice.
I’m continuing my conversation at "Speed for the Need" - a mod-package increasing print-accuracy on the Cetus , should have done-so earlier…it is what it is.
How can I download this file? On the main page it only tells me to “Log in to download this”, but there is no option anywhere to log in.
They made changes to the website and forgot about the previous login process 
Get it from my OneDrive - https://1drv.ms/u/s!AihjZVQSwnOhmG5zXPDzl_BRUnom?e=0Fxx4M