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 August 11, 2014.   0 Comment
This is for beginner's. Want to learn spray painting? This is a collection of tips, links, and tutorials I found most helpful at the beginning. In the hope that what I learned might help someone else as well, I have added it here.

Tips and techniques

Cap mounting.

When I first tried to get a cap on a can, I was quite glad that I didn’t do it inside. Just pushing down also opens the nozzle. The trick is to twist or «screw» the cap onto the can (which is at the same time the easiest way to get caps off a can again, which can be quite hard e.g. on sabotaz cans). Holding the cap so that one finger covers its dot provides additional security.

No clogging.

Just like any liquid paint, spray paint separates from the solvant after some time of standing around. (You will notice that for some cans the peas will not immediately fall down when turning it upside down after it has been standing around for several days.) The paint particles float to the bottom of the can, where they get aspirated by the pipe. This paint, which can now be much thicker, can clog caps (especially thin caps) very quickly.

Cans really need to be shaken hard for about a minute before using. Holding it upside down gets the paint particles back into the liquid quicklier.

Hold your can vertically.

This is a basic rule. There is a little tube going to the bottom of the can. If you do not hold the can vertically, the tube may not reach the paint anymore, and everything you spray is propellant.

Do not hold your can vertically.

Hold it the way you feel comfortable. There is always more than enough paint in the can. You can even spray upside down for some seconds. Test yourself what works for you.

Thin lines.

The closer the distance to the wall, the thinner the line. To bring the can very close to the wall you need to tilt it.

 

Also, use an outline cap for thin lines. A fat cap will put so much paint on the wall that most of it will drip down. (Does not look cool.)

 

To get even thinner lines, additionally hold your can such that the upper side points towards the direction you are painting. I.e. hold the can vertically for drawing vertical lines, horizontally for drawing horizontal lines. You can get very sharp lines like that.

 

Obviously, spraying too long on the same place will leave drips as well. Very thin lines need to be painted quickly.

Soft fading shadows.

 

Spray about parallel to the surface of the wall. Close parts will fetch much more paint than distant ones.

In the image above, imagine half of the paint is above the center line and the other half is below. The second half has to cover a much larger area than the first one.

Tiny dots.

The problem with very small dots is that they cannot be controlled very well. If you tip the cap a little too hard or for a moment too long, then there will be so much paint on the wall that it will drip, and if you go further away to compensate this, the dot will become too large.

Yet it is possible. If you need a tiny dot, of about the diameter of your finger tip, for detailed work (like catchlights in an eye), here is how to do it without haste: Hold your can upside down and spray, as if you want to blow a cap clean. There is a moment where paint stops flowing and only, or mostly, propellant will be expelled. Stop spraying right at this moment. (Or a little before or after; run some tests before applying this technique :) )

If you hit the right moment, you can now (still holding the can upside down) spray a beautiful dot.

Filling.

A frequent tip, or rule, is to fill with lines, as shown in
reskillmow’s tutorial. This sounds like some stupid education rule, but is not.

The point in releasing the cap after each line is to avoid patches with a thick layer of paint. Not only because it can drip, there is another, more important reason: Thick layers applied at once tend to get flaws when drying, or after some time when exposed to weather.

The point in covering with multiple thin layers instead of one think layer is the same. Thin layers are more stable (read: your graffiti will last longer), and they also dry faster than a thick layer where the solvent first needs to penetrate the paint layer until it can evaporate on the surface.

[SreK ZypheR]

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