Quality Blogs

[Ryan Carlyle]

Much of the quality 3DP knowledge out there is hidden in blog archives. Let's summarize some highlights. Post your suggestions for noteworthy 3DP technical blogs and I'll update the list here.

Historically Significant / RepRap Founder blogs / Community Leaders:

• Adrian Bowyer, Vik Olliver, many others: http://blog.reprap.org/ (not active)
  
• Chris Palmer "nophead": http://hydraraptor.blogspot.com/ (still active)
  
• Richard Horne "RichRap": http://richrap.blogspot.com/
• 
  

Interesting technical posts:

• WhosaWhatsis on Z artifacts: https://www.evernote.com/shard/s211/sh/701c36c4-ddd5-4669-a482-953d8924c71d/1ef992988295487c
• WhosaWhatsis on nozzle cleaning / cold pulls: http://bukobot.com/nozzle-cleaning
• WhosaWhatsis on diagonal print orientations: https://plus.google.com/+Whosawhatsis/posts/E2rgyQWrRQb
• EngineerDog on acetone vapor polishing and part strength: http://engineerdog.com/2015/05/04/effect-of-acetone-vapor-polishing-on-3d-printed-abs-parts/
• Ed Nisley's various posts on stepper motors: http://softsolder.com/?s=stepper (this blog is a goldmine but not all 3DP-related)
• Airtripper's filament extruder load cell: http://airtripper.com/1338/airtripper-extruder-filament-force-sensor-introduction/
• E3D on carbon fiber filament: http://e3d-online.com/is-carbon-killing-your-nozzle
• Simon Oliver on nozzle backpressure vs flow rate: http://www.extrudable.me/2013/04/18/exploring-extrusion-variability-and-limits/
• Ryan Carlyle on stepper driver induced print flaws: https://groups.google.com/forum/#!topic/3dp-ideas/qqTGMIFCKpU
• ToyBuilder Labs on filament knots: http://www.toybuilderlabs.com/blogs/news/13055029-untangling-the-filament-spool
• Ray Ma's delta kinematics posts: http://blog.rymnd.com/delta-kinematics-1 http://blog.rymnd.com/delta-kinematics-2/ http://blog.rymnd.com/delta-kinematics-3/
• 
  

Youtube resources:

• Thomas Sandladerer reviews everything: https://www.youtube.com/user/ThomasSanladerer
  
• 
  

[whosawhatsis]

Good idea, I'll have to see if I can remember all the stuff I've read that should be added to this list.

Of course, there are some really good threads right here that probably belong on the list too.

On Tuesday, February 2, 2016 at 08:54, Ryan Carlyle wrote:

Much of the quality 3DP knowledge out there is hidden in blog archives. Let's summarize some highlights. Post your suggestions for noteworthy 3DP technical blogs and I'll update the list here.

Historically Significant / RepRap Founder blogs:

• Adrian Bowyer, Vik Olliver, many others: http://blog.reprap.org/ (not active)
  
• Chris Palmer "nophead": http://hydraraptor.blogspot.com/ (still active)
  
• 
  

Community Leaders:

• Richard Horne "RichRap": http://richrap.blogspot.com/
• 
  

Interesting technical posts:

• WhosaWhatsis on Z artifacts: https://www.evernote.com/shard/s211/sh/701c36c4-ddd5-4669-a482-953d8924c71d/1ef992988295487c

• EngineerDog on acetone vapor polishing and part strength: http://engineerdog.com/2015/05/04/effect-of-acetone-vapor-polishing-on-3d-printed-abs-parts/
• 
  

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[Dan Newman]

Of historical interest would be Ed Nisley's blog,

http://softsolder.com/

He still posts from time to time about 3DP, but it's no where near as frequently
as in years past.

Dan

[whosawhatsis]

Yeah that's a good one. Airtripper.com has some good ones too, particularly the stuff about using load cells to indirectly measure extruder pressure (though the drive gear comparison had some pretty specious conclusions due to inadequate experimental controls).

Looking through some other stuff I've linked to over the years...

Great post by E3D on nozzle wear when printing composite filaments: http://e3d-online.com/is-carbon-killing-your-nozzle (In the MRRF presentation, they also talked about changing their internal nozzle geometry from the stepped version to a proper accuse angle).

Experiments on the affect of back-pressure on extruder steps/mm (using one of Ultimaker's knurled drives, which is probably the worst-case scenario for this type of thing): http://www.extrudable.me/2013/04/18/exploring-extrusion-variability-and-limits/

My writeup on cleaning nozzles, using nylon for a cold pull: http://bukobot.com/nozzle-cleaning

And my post here about diagonal printing is still the best writeup I've seen on the subject: https://plus.google.com/+Whosawhatsis/posts/E2rgyQWrRQb

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[Ryan Carlyle]

Good adds, keep'em coming. 

A list of quality youtube videos/channels might also be a good idea. Not sure I can keep up with the volume of those though... 

On Wednesday, February 3, 2016 at 6:46:54 PM UTC-6, Whosa whatsis wrote:

Yeah that's a good one. Airtripper.com has some good ones too, particularly the stuff about using load cells to indirectly measure extruder pressure (though the drive gear comparison had some pretty specious conclusions due to inadequate experimental controls).

Looking through some other stuff I've linked to over the years...

Great post by E3D on nozzle wear when printing composite filaments: http://e3d-online.com/is-carbon-killing-your-nozzle (In the MRRF presentation, they also talked about changing their internal nozzle geometry from the stepped version to a proper accuse angle).

Experiments on the affect of back-pressure on extruder steps/mm (using one of Ultimaker's knurled drives, which is probably the worst-case scenario for this type of thing): http://www.extrudable.me/2013/04/18/exploring-extrusion-variability-and-limits/

My writeup on cleaning nozzles, using nylon for a cold pull: http://bukobot.com/nozzle-cleaning

And my post here about diagonal printing is still the best writeup I've seen on the subject: https://plus.google.com/+Whosawhatsis/posts/E2rgyQWrRQb

On Wednesday, February 3, 2016 at 15:30, Dan Newman wrote:

Of historical interest would be Ed Nisley's blog,

http://softsolder.com/

He still posts from time to time about 3DP, but it's no where near as frequently

as in years past.

Dan

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[Joseph Chiu (Toybuilder)]

I nominate my simple video and explanation on filament tuck-unders...  It's the scourge of the industry afaiac.

http://www.toybuilderlabs.com/blogs/news/13055029-untangling-the-filament-spool

On Wed, Feb 3, 2016 at 4:56 PM, Ryan Carlyle <temp...@gmail.com> wrote:

Good adds, keep'em coming. 

A list of quality youtube videos/channels might also be a good idea. Not sure I can keep up with the volume of those though... 

On Wednesday, February 3, 2016 at 6:46:54 PM UTC-6, Whosa whatsis wrote:

Yeah that's a good one. Airtripper.com has some good ones too, particularly the stuff about using load cells to indirectly measure extruder pressure (though the drive gear comparison had some pretty specious conclusions due to inadequate experimental controls).

Looking through some other stuff I've linked to over the years...

Great post by E3D on nozzle wear when printing composite filaments: http://e3d-online.com/is-carbon-killing-your-nozzle (In the MRRF presentation, they also talked about changing their internal nozzle geometry from the stepped version to a proper accuse angle).

Experiments on the affect of back-pressure on extruder steps/mm (using one of Ultimaker's knurled drives, which is probably the worst-case scenario for this type of thing): http://www.extrudable.me/2013/04/18/exploring-extrusion-variability-and-limits/

My writeup on cleaning nozzles, using nylon for a cold pull: http://bukobot.com/nozzle-cleaning

And my post here about diagonal printing is still the best writeup I've seen on the subject: https://plus.google.com/+Whosawhatsis/posts/E2rgyQWrRQb

On Wednesday, February 3, 2016 at 15:30, Dan Newman wrote:

Of historical interest would be Ed Nisley's blog,

http://softsolder.com/

He still posts from time to time about 3DP, but it's no where near as frequently

as in years past.

Dan

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[whosawhatsis]

Though more aimed at beginners, Thomas Sanladerer's youtube channel is full of good videos. https://www.youtube.com/user/ThomasSanladerer

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[William Cook]

I found this series of articles on delta kinematics to be pretty useful in the design process. He's got a handy python script for analysis of a particular geometry:

http://blog.rymnd.com/delta-kinematics-1/

http://blog.rymnd.com/delta-kinematics-2/

http://blog.rymnd.com/delta-kinematics-3/

[Ryan Carlyle]

All suggestions above added. 

[Joseph Chiu (Toybuilder)]

Not 3D, per se, but useful info on high quality connections http://workmanship.nasa.gov/lib/insp/2%20books/frameset.html - because bad connections are problematic.

On Thu, Feb 4, 2016 at 7:42 PM, Ryan Carlyle <temp...@gmail.com> wrote:

All suggestions above added. 

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[William Cook]

Another on that is only indirectly related and maybe doesn't belong on the list, but for those of us who seasonotheir nozzles and heatbreaks, it pays to read this article on how to do it correctly:

http://sherylcanter.com/wordpress/2010/01/a-science-based-technique-for-seasoning-cast-iron/

This is time-consuming, but it really works, is better than any other method I've tried, is infinitely more effective and less messy than filament oilers, and when done correctly doesn't fill up the nozzle with seasoning gunk. I also find that using this method I can make a cheap clone outperform an unseasoned E3D when it comes to preventing clogging.

[Christopher Matthes]

I think this blog ( http://www.tridimake.com ) has some merit also. 
He explains a lot of things and goes into quite some detail. 

[Duplicat]

For advanced beginners:  New guy on the Youtube scene (about 1 yr).  He is a "content monster",, producing videos on almost a daily basis,, and has a very well organized blog page.

DIY 3D Tech.com
http://diy3dtech.com/
https://www.youtube.com/channel/UCugUnAM_QlpYFwVvIjr7WDA/playlists
Hobbyist level home-based personal fabrication:
- 3DP
- CNC
- Laser cutting and engraving
- Micro Controllers / Ardunio
- Design Software

[Ryan Carlyle]

I'm overdue for updating the OP list, and don't have time to do it now, but WhosaWhatsis suggested I link to some of my older google group photos/explanations of extruder mechanics, like cold-pull photos and such. Just writing this here as a reminder for when I update the list. 

[Ryan Carlyle]

This is an ok resource aggregator list: https://blog.astroprint.com/the-ultimate-3d-printing-cheat-sheet/

[Ryan Carlyle]

Haven't updated this in a long time, but Walter Hsiao's is good: http://thrinter.com

[William Cook]

It's just a bit unfortunate that he hasn't posted in 10 months.