3D printing Nonstandard Materials

From Ace Monster Toys Wiki
The 3D printing 101 class covers basic use our printers with PLA.  PLA is indexpensive, easy-to-print, made from renewable resources, and comes in a lot of colors.  It should be your first choice in material, and the only thing you should use until you gain some experience.

But there are lots of new materials coming out all the time.  Too many for your steward to keep up with!  The Prusa was selected in part for its compatibility with these new materials, so let's use them!  ...but let's be careful.

If you'd like to any material that is not PLA, you must agree to the following:
 
  •  You will get some experience with PLA first.
  •  You will thoroughly investigate published recommendations for temperature, bed adhesion, etc.  Beware of out-of-date information.  Favor manufacturer's recommendations.  Favor instructions specific to our printers if available.
  •  If you break the printer you will report it to the steward promptly and agree to help fix it.
  •  You will avoid materials that are known to erode the printer nozzle, unless you purchase a replacement nozzle in advance.
  •  You will thoroughly clean up the printer when done (particularly any glue-stick residue on the bed), and will reload PLA before leaving, thus purging the nozzle of your material.
  •  You will report your results on this wiki page.

Intro resources

Tom Sanladerer's channel is probably the best 3D printing resource on Youtube.  He's recently published a series of videos about various plastic types. This is a starting point: find the manufacturer's info too, if possible:

How to use this table:

Date
The date of the test
Name
Your name including email address or slack handle
Type/color
Briefly identify the type of filament used, including manufacturer if available
printer
Which printer you used
Slicer/settings
For brevity, list the profile or preset you started with, and only the differences from defaults
Web resources
Link to the web page that you referenced when using this filament
Bed preparation
Glue stick or other bed preparation used
Comments
What did you make?  Do you like this stuff?  how'd it come out?

3D printer settings for Nonstandard Materials

Date
Name
Type/color
Printer
Slicer/settings
Web resources
Bed Preparation
Comments
10-2017 Damp Rabbit Makeshaper Semi-Flexible TPU, green Prusa i3 MK2

Prusa defaults:

Print settings - "0.20mm Semiflex or Flexfill98A"

Filament - "Semiflex or Flexfill98A"

Many None, excellent adhesion on it's own. Could be too much.

The Prusa defaults gave me the best results. I changed a few things like temp. and 1st layer width but found the defaults to work the best. I had issues with strings but everything else was fine. Prints very slowly. The light flex of the urethane is very nice compared to the rigid, brittle feel of PLA.

Watch the first layer carefully to make sure random blobs or strings don't get dragged into the print.

I made a control knob for a guitar that press fits over a fluted shaft. Printing it upside down hid the string issues under the knob, I'm very pleased with the results.

10-2017
Damp Rabbit
Makeshaper TPU 85A, blue
Prusa i3 MK2

Prusa defaults:

Print settings - "0.20mm Semiflex or Flexfill98A"

Filament - "Semiflex or Flexfill98A"

Many None, excellent adhesion on it's own. Could be too much.
I was under the impression the same settings for Semi-Flexible TPU would work here. This was a failure. Very difficult to get to load, and once I had a decent flow and ran a print the result came out like a kitchen sponge. My small test print finished but was badly deformed and almost foamy.
10-2017
Damp Rabbit

MadeSolid Strong Filament - Red

PET+

Prusa i3 MK2

Prusa defaults:

Print settings - "0.20mm NORMAL"

Filament - "Prusa PET 1.75mm"

Many
None, excellent adhesion on it's own. Could be too much.

The Prusa defaults worked fine here. I accidentally had the speed set to 110% and had some lower layers delaminate but once returned to 100% my small test print finished with no problems and looked good.

3-2018
Matt Keveney
MakeShaper sample PETG
Prusa i3 MK2
Filament 'Generic PET'
makeshaper website
None
Terrific results straight off the bat.  Nice stuff; flexible like ABS but easy to print.