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Messages - Bad Raven

General Discussion / Re: Did 'YOU' print today?
March 17, 2019, 05:01:17 pm
I gave up on that E011 Whoover model for now!  I went back to look for it and could not locate it, so maybe others flagged and its been withdrawn :thumbdown:

This afternoon while doing other things have been printing "N" gauge buildings.

I'd had a mtnce session with the Fabrikator which had not had exercise for some weeks and altered the lighting arrangement to use a COB strip. For now its just wedged into the case (quite securely), and powered from an old phone charger PSU. So it had a good clean up and lubricate, the light mod, and has been chuntering away since.  Oh, and my magnetic bed seemed to have lost some "pull", so while it wasn't actually slipping, I still added a couple more magnets.

It's just completed the third building and I have started another.  Will have a lot of painting to do shortly! :smiley: And the excuse for another scenic board...........  :rofl:

Wind, Rain AND a MR flying ban, and only 5C all day today, so time to build models instead.
General Discussion / Re: Did 'YOU' print today?
March 13, 2019, 06:00:28 pm
Quote from: Gaza07 on March 13, 2019, 10:33:18 amIf its just some small pins clip em off with some side cutters

Except it isn't............ "but these ducts are both the wrong diameter AND the wrong spacing"
General Discussion / Re: Did 'YOU' print today?
March 13, 2019, 05:57:07 am
Mr "Badassdrones" has issued a 3D printed Whoover v5 for E011 (7mm motors), so I thought it would be rude not to do one, and coincidentally another E011 had just arrived.

And................. I'm puzzled.

I have printed three of the major parts on my i3 Mk3 using the same settings, the upper and lower body, and the two motor holding lift ducts (one piece).

And they don't fit together!

The outer shapes match well, but in the case of the bodies they have pins in holes, which do not line up by quite a margin, and while the ducts outer shape is non-critical, the inner shape of the two ducts are supposed to pass through the body upper to both smooth airflow and strengthen the model, but these ducts are both the wrong diameter AND the wrong spacing.

Obviously scaling one body may (or may not) solve the pins issue but would then upset the outer join.

I can remove the pins and/or dremel out the base holes to fit the three parts together, but I don't think it likely that the guy would issue such a poor fitting set of parts, so I'm left wondering what's going on.
General Discussion / Re: Did 'YOU' print today?
March 03, 2019, 08:43:19 pm
I'm still plugging away making Micro Hovercraft for the school club (Two Thurs evening), Tiny Whoop Quad Canopies (two today), Quad Frames, and parts for "N" gauge railway like a few (quite a few!) buildings and a couple of carriage bodies.  Nothing exciting to show hence no reports.

I have been promised some rainbow filament in a few days time along with some Ruby Red.

My printer(s) are just work tools, no time for fancy stuff, especially as flying club has had to ban Multi's on ATC demand and so I'm busy reviving Heli's that are OK with ATC (Don't ask!) but not used for a long while. Oh, and FPV fitting three planes.
New Developments / Re: Polar Printers
February 22, 2019, 03:02:45 pm
Am I missing something here, the first video is from almost four years ago??!!
Welcome / News / Announcements / Rules / Re: SMF v2.1
February 08, 2019, 05:39:28 pm
Not a biggie, since I can get in, but if I try to login via the top bar a login window opens with "error" in it.

If I login via the USER left hand column section it logs me in OK, but despite using "forever" it does not hold that login, and on the next visit I have to login again.  This is true even if I select other than forever and then go back to it to force it to toggle.

Forgot to say Windows 7, latest Firefox.
Welcome / News / Announcements / Rules / Re: SMF v2.1
February 06, 2019, 01:42:18 pm

Yay..................  It's a keeper...............

I prefer the non-serif font default (which also meets DDA requirements).
Welcome / News / Announcements / Rules / Re: SMF v2.1
February 06, 2019, 07:20:30 am
I Liked it!

Smilies............ from evil onwards all the rest are text not graphics.
General Discussion / Re: Both Are Red
February 03, 2019, 03:08:27 pm
Nope.............   :cry

" Exclusively for Prime Members
This item is reserved for Prime members. "

and no add to cart.
General Discussion / Re: Both Are Red
February 03, 2019, 01:53:53 pm
For Prime customers only.
General Discussion / Re: Slicer/Cura Vagaries
February 01, 2019, 07:01:12 am
And have now printed four more of the range.

All proving impossible so far on the Prusa as all slicers tried with it corrupt the files (or fail to correct errors).  At the same time it prints other files perfectly, so of the many tried recently, these are the only failures.

All have printed perfectly well via Repetier Host on the Fab II Mini.

Have never attempted to set up Repetier for the Prusa, partly as I don't want to risk screwing up the setup I have for the Fab II Mini which just works, reliably.
General Discussion / Slicer/Cura Vagaries
January 31, 2019, 08:09:04 am
I have come across a range of files on Thingiverse that currently I am unable to print as they will not slice correctly.

Slicer shows some minor lost points causing triangular artefacts inside the object. (It is also stating it is correcting thousands of errors, too)

When printed on the i3 Mk3 all sorts of errors appear, internal angled planes, more than shown, solid parts where there should be holes surrounded by holes where there should be solid, etc.

Cura appears to slice OK with no error report and visually OK, but despite being set to i3 and PLA, insists on trying to start print with a bed temp of 40 and an extruder temp of 0 in the settings side and an actual not yet at the right level, starting while it is still heating up. If this is overwritten by manual tuning at the printer, it starts print at the manual settings, but does no bed level check, nor any pre-stripe (OK, its set for a generic i3), but then starts the print off with much greater filament extrusion rate so larger cross section than usual and extremely poor bed adhesion (despite now being manually set to and at the right temp for the filament).

Taking the visually correct and supposedly error corrected file out of Cura and into Slicer still shows the errors that were there before when direct to Slicer.

Not something maybe to spend much more time over, but it staggers me how a relatively simple model (it is a box shaped pitch roof "house" with holes for windows and doors, nothing at all exotic, can be so comprehensively screwed up by Slicer programs!

I got the guy to re-upload a second version of one file he'd checked sliced and printed. Still thousands of errors "corrected" and an unusable result in Slic3rPE.

Have only had similar once before, one which I could not resolve.

I'm now as I write trying from the original file posted using Repetier Host (which is using Cura) without ANY error correction before or notified and so far it appears to be printing it OK on the Fab II Mini, it certainly showed no artefacts on loading the file in. It has got way above the level where errors showed, and so far no problem.

SO, why is SlicerPE, Slic3r AND Cura when used standalone creating so many "errors" and solving things that are not there, when good old Repetier with its Cura version just plods away and does the job??   :banghead: :banghead: :banghead:
Cartesian / Re: Geetech A10M
January 29, 2019, 04:06:29 pm
Interesting Printer, your post made me look at a couple of reviews, but as is usual they don't seem to say clearly enough what I'd like to bottom out before even thinking about purchase.

Having got used to the magnetic quick remove flex bed (std on the i3 Mk3 and my mod to the Fab II Mini), reliable auto bed level or an easy set up with no drift and an easily removable flex bed plate to separate prints are must haves.

Been looking at another  i3 Mk3 with MMU, however, I'm not completely sold on the Prusa MMU2 (yet?), made worse by not knowing anyone with one to have a prod and a poke.

So, just to say really, following with interest.   :azn

Things I'd be keen to explore:-

Bed Levelling
Print removal (flex bed)
Max ACTUAL print size
Other materials
Amount of material wasted in dual filament prints compared to Prusa system
Practical Speed
General Discussion / Prusa "Stats"
January 20, 2019, 10:11:19 pm
Over 500 Printers running in the production farm.
Over 320 employees
Over 1000 packages leave the factory every day (inc Filament, Upgrades, MMU, etc)
Over 6000 printers sent out a month

25% of printer production time spent on Checking/Quality Control/Heat Soaking, etc.

Wonder how that compares to other makes?
General Discussion / Bed Adhesion
January 11, 2019, 05:48:09 pm
Yes, I know, boring..................

I have no problems with getting adhesion when printing.............. except when the object needs a lot of supports, when at a late stage in the print it only too frequently releases cleanly off the bed.

I'm on the Prusa Mk3 using Slic3rPE and PLA, and it does not seem to make any difference on using any of the preset print settings.

Anything avoiding supports seems to work fine.

Any tips/constructive thoughts please?

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