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Dot-filtering disaster

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  • Member since
    May 2009
Dot-filtering disaster
Posted by Levon on Monday, September 7, 2009 6:58 PM
Well, I finally was ready to start weathering my Tamiya German Panzerkampfwagen II Ausf.A/B/C (Sd.Kfz.121) (French Campaign).  Before I started the Dot-filtering process, I think I made the big mistake of applying future to the model.  I painted the model an overall basecoat of German Grey, a rather dark color.  So I decided to use Winston and Newton's white titanium oil color, Dark blue, and some Georgian Oil Buff to lighten up the model by using the dot-filtering technique.  I applied future, with the plan on spraying Testors dullcote once after the weathering process was done.  Anyway, I applied small dots all over the model, dipped the brush in turpenoid, starting streaking down the model.  The oil paint did not catch onto the model.  It basically just rubbed off the more I brushed it up and down, and created these terrible brush streaks.  Anyway, I think the surface was too slick.  I should have applied the dot filtering to a flat acrylic German Grey without the future.  Bascially all it did was create a wash in the crevices, which is now next to impossible to clean-up..  What ticks me off is that I read several articles that precisely say to apply future before dot filtering.  I just wanted to vent, and also wonder if anybody else had the same problem, or was this my dumb mistake.  Thanks for reading.
  • Member since
    August 2008
Posted by pAnd0rA on Tuesday, September 8, 2009 4:55 AM

Dot-Filtering over Future worked perfectly for me several times. I would definitely not recommend doing it on a flat finish, since it will then catch all over the surface and most probably leave undesireable effects.

After all, it's a Technique, that needs some practice and getting used to - I guess, you did not apply enough oils or too much turpentine - it heavily depends on the mix and also on the paints you use (grade of pigmentation). For example on my actual project I used a different brand of oils for buff and ended up with an almost white model since it's much higher pigmented than the one I used before. The beauty with oils is, that you have more than enough time to just wipe them off with a good amount of turpentine :) After I cleaned up the mess, I applied smaller dots and a heavier turpentine-soakedbrush and it perfectly worked. Vice Versa for lower-pigmented oils you'll need bigger dots and only a damp brush.

There's a good video on the subject here: http://www.youtube.com/watch?v=kOLcQVBa87E&feature=channel

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