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Painting prints

Discussion in 'General Questions' started by m4r1n5, Feb 19, 2017.

  1. m4r1n5

    m4r1n5 Member

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    I am starting to paint my prints. For my Hulk I used green can spray and purple acrylic. So far 4 days and my 3 layers of green is still sticky. Pruple is going black. I used no primer, just sprayed it on. SanSai printed this just to see if Robo can do it, I wasn't concerned about the resolution so it's at .3. It came out nice and I'm painting it as a trial to see what works. Any tips would help
    [​IMG]

    [​IMG]

    [​IMG]

    Sent from my LG-H830 using Tapatalk
     
    #1 m4r1n5, Feb 19, 2017
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  2. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    PLA???

    You really need to use some sort of sealing primer on this stuff. Also on some plastics you can get away using an adhesion promoter such as this;
    [​IMG] ​
    basically a clear primer.
     
    #2 WheresWaldo, Feb 19, 2017
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  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    We always prime the prints before paint.
    We prefer acrylic paints, but just about any decent primer will get the job done.
     
    #3 mark tomlinson, Feb 19, 2017
  4. m4r1n5

    m4r1n5 Member

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    I'm using ABS. When I use PLA I have to print a raft for assured support adhesion and that wastes filament, time, and hard to seperate. Ive been doing ABS slurry and its worked every time. Plus I can lower the infill more than PLA and know connecting parts are still stronger. And I can acetone it.

    Is there a specific spray paint that's better to use on prints?

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    #4 m4r1n5, Feb 19, 2017
  5. Geof

    Geof Volunteer Moderator
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    I sand and use filler primer on mine. Was acrylic paint brush but now will be airbrushing
     
    #5 Geof, Feb 19, 2017
  6. Rigmarol

    Rigmarol Well-Known Member

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    Primer required at my house.
    Acrylic seems to be working well for us.
    Daughters like to do the painting. We bought a nice airbrush but haven't tried it yet.
     
    #6 Rigmarol, Feb 22, 2017
  7. eric tobin

    eric tobin Member

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    I have been using testors model paint, enamel. so far everything has been turnig out nice. haven't used any primer though. I just bought a airbrush so I will see how that works. never even thought about a primer or sealer. I will try it with my next painting project and get back to you. I will use it both on brushing and airbrush
     
    #7 eric tobin, Feb 12, 2018
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  8. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    If I just want it coated I usually use Adhesion Promoter and then color right over the top, especially if I use filament in the same color family as the final color, otherwise it is a light sand, a light coat of Adhesion Promoter, then a covering of filler primer, then color, if it to end up all one color. Airbrush for multi-color prints.

    I find the Tamiya paints work really well as does Testors (if thinned for airbrush use).
     
    #8 WheresWaldo, Feb 13, 2018

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