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by Anders Olsson
November 16th, 2017, 6:20 pm
Forum: Ultimaker 2 / Ultimaker 2+ / Extended & Go
Topic: Suddenly my SD card isn't read by my printer
Replies: 11
Views: 476

Re: Suddenly my SD card isn't read by my printer

I had the exact same issue just a few days ago and cleaning the contact surfaces on the SD card fixed it!

The most weird thing was that my UM2Go (with tinkergnome firmware) got stuck "Reading card" for a few seconds and the rebooted (?).
I tried it multiple times with the same result every time.
by Anders Olsson
November 8th, 2017, 5:28 pm
Forum: General Discussion
Topic: A Tea between friends :-) How was Your Day
Replies: 1270
Views: 69333

Re: A Tea between friends :-) How was Your Day

Very busy as usual and a power failure at work yesterday afternoon didn't make it better. Luckily nothing broke this time, just a bit of work to get everything up an running again. When we had a power failure a year ago there was some sort of voltage spike which took equipment for ~$15000 with it, i...
by Anders Olsson
October 26th, 2017, 6:50 pm
Forum: Show off your latest print
Topic: First Lithophane
Replies: 6
Views: 202

Re: First Lithophane

LePaul wrote:
October 26th, 2017, 8:54 am
@Anders Olsson lives!
Yes, I am alive :-) just very busy.
by Anders Olsson
October 25th, 2017, 6:42 pm
Forum: Show off your latest print
Topic: First Lithophane
Replies: 6
Views: 202

Re: First Lithophane

You are doing it wrong, print it standing on the long edge instead and you will get much better resolution! :-) 2017-07-02-1917.jpg 2017-07-03-1920.jpg 2017-07-03-1921.jpg You obviously need to use 100% infill. White PLA works well, natural/translucent materials are too transparent. There is a rathe...
by Anders Olsson
August 11th, 2017, 11:45 am
Forum: Special brand filaments
Topic: Anyone use Polycarbonate (PC) or PETG?
Replies: 8
Views: 1058

Re: Anyone use Polycarbonate (PC) or PETG?

I haven't printed Polycarbonate recently. The early types required very high temperatures, but recent versions like the Ultimaker branded one is apparently easier to print. Both PC and PETG (Colorfabb XT) are hygroscopic and might need drying when the spool has been open for a while. PETG can be dri...
by Anders Olsson
August 8th, 2017, 11:25 pm
Forum: Special brand filaments
Topic: Has anyone used NinjaTek Cheetah?
Replies: 9
Views: 338

Re: Has anyone used NinjaTek Cheetah?

I think the ninjaflex cheetah is rather similar to the Ultimaker TPU95A, so it should work okay if you don't print too fast. I have been printing the TPU95A on the UM3 in a dual print with retractions and it came out okay. One should increase the retraction distance to avoid oozing though, which I d...
by Anders Olsson
August 8th, 2017, 11:16 am
Forum: General 3D Printing Conversation
Topic: Drying your humid filaments....
Replies: 2
Views: 194

Re: Drying your humid filaments....

I have been drying my Bridge Nylon and other materials in an oven a few hours at 80 C, it works fine. This was a precise lab-oven though, if you attempt this at home make sure you have a precise thermometer inside the oven to check the actual temperature. PETG can also absorb a bit of moisture, but ...
by Anders Olsson
August 8th, 2017, 11:07 am
Forum: General 3D Printing Conversation
Topic: Black Belt Kickstarter
Replies: 1
Views: 167

Re: Black Belt Kickstarter

Printbot is apparently a bit ahead of Blackbelt with something similar, but less expensive: https://printrbot.com/shop/printrbelt/
by Anders Olsson
August 8th, 2017, 2:46 am
Forum: Show off your latest print
Topic: CR-10 vs Ultimaker 2+ Benchie prints
Replies: 3
Views: 770

Re: CR-10 vs Ultimaker 2+ Benchie prints

Interesting, zebra-bug that the Ultimaker machines suffer from under certain conditions is clearly visible here.
Do you know what stepper driver circuit the CR-10 is using?

This reminds me that I really should get a set of those TL-smoothers to test on the Ultimaker.
by Anders Olsson
August 7th, 2017, 12:48 pm
Forum: Ultimaker 2 / Ultimaker 2+ / Extended & Go
Topic: UM2 to UM2+ print head upgrade
Replies: 28
Views: 913

Re: UM2 to UM2+ print head upgrade

@LePaul
I spend some time optimizing the design today and uploaded it on youmagine: https://www.youmagine.com/designs/ptfe- ... um2-series
:-)
by Anders Olsson
August 6th, 2017, 11:25 am
Forum: Ultimaker 2 / Ultimaker 2+ / Extended & Go
Topic: UM2 to UM2+ print head upgrade
Replies: 28
Views: 913

Re: UM2 to UM2+ print head upgrade

The I2K was invented in an attempt to increase the lifespan of the early PTFE couplers and to increase the maximum operating temperature of the machines. With the TFM, the lifetime of the spacer increased dramatically compared to the earlier PTFE and glass filled PTFE. For normal printing (up to 260...
by Anders Olsson
June 19th, 2017, 11:52 am
Forum: General Discussion
Topic: A Tea between friends :-) How was Your Day
Replies: 1270
Views: 69333

Re: A Tea between friends :-) How was Your Day

@Anders Olsson what make of Woodfill are you using? I did struggle with Kai Pathy's wood fill although he did recommend a miniumum of 0.5mm nozzle, the modified Robert's feeder would grind the filament or deformed it as it was softer. although when I upgraded to the bondtech feeder it had enough pr...
by Anders Olsson
June 17th, 2017, 11:51 am
Forum: General Discussion
Topic: A Tea between friends :-) How was Your Day
Replies: 1270
Views: 69333

Re: A Tea between friends :-) How was Your Day

Who said Woodfill can't handle retractions? :-P 2017-06-17-1808.jpg The only modifications I have done is a different feeder gear and another type of spring in the original UM2 feeder. Ambient temperature is 30 C and I am using a 0.6 mm nozzle. (0.4 mm nozzle just does not work with this spool of wo...
by Anders Olsson
June 17th, 2017, 10:48 am
Forum: General 3D Printing Conversation
Topic: How much should a good 3D printer cost?
Replies: 36
Views: 1411

Re: How much should a good 3D printer cost?

There might be a market for a really high quality printer, but I doubt that you can produce and sell such printer for the same money as an UM3. Just have a look at E3D for example, the Bigbox printer was successfully developed and all their Kickstarter printers shipped and then they realized they ju...
by Anders Olsson
June 10th, 2017, 11:51 pm
Forum: General Discussion
Topic: A Tea between friends :-) How was Your Day
Replies: 1270
Views: 69333

Re: A Tea between friends :-) How was Your Day

Works fine for me now :-)

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