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  1. #1
    Super Moderator RobH2's Avatar
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    NOTE: This is a continuation of posts started on "Black ABS" but it quickly became about Pet+.

    Tell me something about 'pet+'. It's not on my radar. Is it printable by a traditional RepRap configured printer? I'll have to go research it.
    Last edited by RobH2; 04-06-2014 at 12:58 PM.
    Prusa i3/ Makerfarm (8" rod version) / Dual Hexagon Extruders with Itty Bitty Double Extruder, Simplify 3D Slicer.
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  2. #2
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    Pet+ as a good alternative to ABS

    yes you can print it on anything. its about the easiest printing filament there is. prints as easy as pla, has temp resistance closer to abs and its more durable and flexible than abs. to be honest i have no idea why the 3d printing community, with a lack of heated build chambers, has adopted abs. with pet it really doesnt make much sense. there are a few brands out there. www.madesolid.com has the nicest stuff imo. the extrusion is perfect and prints so easy. colorfabb has another good one but only avail in clear. taulman tglase is good but they seem to have extrusion consistency issues that have yet to get resolved plus it prints just a hair more difficult than the others but still fairly easily. its a bit on the expensive side but i have figured in all the failed abs prints i have here and wasted filament and printer time and energy for those fails and it comes out to be close to a wash. once i got my settings dialed in for it i have yet to have a failure due to the plastic. the stuff is really bad ass.

  3. #3
    Super Moderator RobH2's Avatar
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    Thanks Jim. That's great info. I'm going to order some asap.
    Prusa i3/ Makerfarm (8" rod version) / Dual Hexagon Extruders with Itty Bitty Double Extruder, Simplify 3D Slicer.
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  4. #4
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    my settings file for the makergear m2 is posted on madesolid's website. it might not be on the money for your exact printer but it will give you someplace to start anyway. when you get it if you have any questions or need pointers just shoot me a pm.

  5. #5
    Super Moderator RobH2's Avatar
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    I need to get some in and test. My only question is can you smooth it? I have two reasons for liking smoothing. 1. it's an aesthetic improvement and 2. I've found that smoothing ABS is a really good way to protect it from layer separation.

    I've had several UNsmoothed ABS parts separate between layers and fail. I've never had a Smoothed ABS part fail due to layer separation.

    Edit: Just ordered a roll via AmazonPrime. $35 with free shipping. I look forward to testing it. Thanks for putting it on my radar Jim...
    Last edited by RobH2; 04-03-2014 at 12:49 PM.
    Prusa i3/ Makerfarm (8" rod version) / Dual Hexagon Extruders with Itty Bitty Double Extruder, Simplify 3D Slicer.
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  6. #6
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    rob, you can smooth it but not with acetone. you use methylene chloride. abs can tend to separate from the internal stress it develops during the printing process. since the pet+ has a super low thermal expansion rate it doesnt layer crack or warp. actually it can warp a little. its about the same as pla. its a very strong plastic. in many ways it reminds me of nylon. flexibility is about the same as taulman 618.

  7. #7
    Super Moderator RobH2's Avatar
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    Methylene Chloride is pretty nasty stuff. I see that it vaporizes at 104F so vapor smoothing it would be easy in a double boiler with hot tap water. I think more carcinogenic than Acetone so I'd guess it's best to only smooth outside with an organic respirator on. I see that it vaporizes at 104F so vapor smoothing it would be easy in a double boiler with hot tap water. I guess you could to a quick dip technique and not be too risky.

    I'd guess that most people Acetone smooth and don't use a respirator. We've gotten so used to smelling Acetone when our wives do their nails that we've subconsciously convinced ourselves that it's not dangerous.

    I have a spool coming. I look forward to using it. Does Pet+ put off any dangerous fumes when printing?
    Prusa i3/ Makerfarm (8" rod version) / Dual Hexagon Extruders with Itty Bitty Double Extruder, Simplify 3D Slicer.
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  8. #8
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    yes meth chloride is really bad for you. its mostly used as paint stripper and solvent adhesive for polycarbonate, acrylic and pet. a little hard to come by in its pure form. a well ventilated area is a must. acetone or the meth should really be done outside. the fumes are both explosive. as for printing fumes....no. there is no odor at all. its also flame resistant, food and medical safe.

    rob here is a video: https://www.youtube.com/watch?v=qpFZEl-cXv4

  9. #9
    Super Moderator RobH2's Avatar
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    I think I'm in love. What's not to like about the stuff? Foodsafe too! RIP ABS and PLA.

    I'll have my roll on Monday. Can't wait to try it.

    Thanks Jim.
    Prusa i3/ Makerfarm (8" rod version) / Dual Hexagon Extruders with Itty Bitty Double Extruder, Simplify 3D Slicer.
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  10. #10
    Great info guys!

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