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Self-adhesive cord?

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  • Member since
    July 2019
  • From: Vancouver, British Columbia
Self-adhesive cord?
Posted by Bobstamp on Sunday, June 5, 2022 9:30 PM

Is this crazy or a great idea? Or am I missing something?

I have learned through trial and error how to create "fuzzy" transitions from one colour to another on the models I've built: if I "elevate" masking tape or strips of paper secured with masking tape above the surface of a model, and mask the rest of the model to avoid unwanted paint, I avoid having sharp lines between the two colours. One colour just blends gradually into the other colour. The width of the fuzzy, intermediate area depends on the distance from the mask to the plastic. Less distance = sharper demarcation, more distance = softer demarcation.

What I would like to have is a soft, bendable cord in various diameters, from one or two millimetres to as much as a centimetre, coated with a removeable adhesive much like the Tamiya masking tape adhesive. It could be made of cotton, synthetic fibres, or foam rubber. 

Such a cord could be used to create straight, geometric camouflage patterns or curved camouflage patterns. It would be especially useful for touching up errors.

For example, I oversprayed the wing of a model TBM Avenger I'm building and got a smallish drip of paint for my trouble. After sanding off the excess paint, it would have been nice to place a round cord around an eighth of an inch in diameter around the sanded area so it could be sprayed without creating sharply defined area of new paint that masking tape would have created. And, of course, I didn't want to add more paint to the wing, which was well covered except for the drip.

I made tubes of Tamiya masking tape and placed them around the sanded area, attached wide strips of masking tape and paper to the Tamiya tubes, and sprayed with good results. Here's a diagram showing what an ideal set-up, using purpose made "masking cord," would look like:

Your thoughts? Do you know of anything like "masking cord" that's already available?

Bob

 

On the bench: 1/72 Grumman Avenger being kitbashed as a U.S. Forest Service tanker; a diorama to illustrate the crash of a Beech T-34B Mentor which I survived in 1962 (I'm using Minicraft's 1/48 model of the Mentor), and a Pegasus model of the submarine Nautilus of 20,000 Leagues Under the Seas fame. 

  • Member since
    May 2009
  • From: Poland
Posted by Pawel on Monday, June 6, 2022 3:30 AM

Hello Bob!

Good news - a "masking cord" is in use for about two decades (by me, maybe other modellers use it longer), you can make it at home, and from materials you buy at your local office supply store.

Just go out and buy something like this:

Just take it out of the box and roll "snakes" of the diameter you need. It holds to the surface nicely and can be removed without a trace. Sometimes a little stays on the surface, but then can be removed by sticking some fresh stuff and removing again. After painting it can be reused - a little old paint in the mix doesn't seem to affect it.

The stuff also has a lot of other uses around a modellers workshop or even around the house, so it's good to have some handy anyhow. Temporary attachment of model parts, for example while dry fitting is one example. Or it's original use - attaching posters and signs to the wall.

Hope it helps - good luck with your builds and have a nice day

PaweĊ‚

All comments and critique welcomed. Thanks for your honest opinions!

www.vietnam.net.pl

  • Member since
    March 2003
  • From: Western North Carolina
Posted by Tojo72 on Monday, June 6, 2022 8:46 AM

Similar to enlarging the camo pattern on the instructions,cutting them out,and using the rolled up tape to attach them to the a/c which just raises the mask enough to make it less of a hard edge,that one's been around for decades.

  • Member since
    September 2006
  • From: Bethlehem PA
Posted by the Baron on Monday, June 6, 2022 9:36 AM

I'll second Pawel and Tojo.  I use both techniques, using either rolled poster tack or masking tape rolled into a loop, to attach templates and have a slight lifted edge, for soft demarcations.

I'll suggest another material, too-Post-It notes.  I have used these to make masks or templates, and the principle is the same. Once pressed onto the model's surface, I can lift the edges a bit for a soft demarcation.  I use a toothpick to lift the edge, so as not to scratch the surface.

The bigger the government, the smaller the citizen.

 

 

  • Member since
    March 2003
  • From: Towson MD
Posted by gregbale on Monday, June 6, 2022 10:24 AM

Basically the same as the guys above...but I use Silly Putty, the kids' toy that comes in the little plastic eggs. Rolled out into long 'cords,' essentially, and pressed in place as needed. You can also flatten it to fill areas in between the rolls...though it does add some weight if you build up a lot of it, so you can also fill between the rolls with paper, tissue, etc.

For the technique you outlined specifically, you can do thicker/'higher' rolls to adjust the softness of your sprayed paint edge.

I always work with two eggs' worth at a time...I think it was maybe $3.00, last time I restocked...which is usually plenty for 1/48 kits or even, say, 1/32 fighters.

I always remove it as soon as painting is done...though at times I've left it on a day or two with no 'spotting' or bad effects on the paint beneath.

When done, just knead the ball until it's a uniform tone, and it's ready to use again. I usually use a glob for about a year, then toss and start a fresh batch. It can look pretty grungy (this is using mainly Tamiya acrylics), and still work perfectly well. Never the slightest hint of problem from the old paint.

Cheers

Greg

George Lewis:

"Every time you correct me on my grammar I love you a little fewer."
 
  • Member since
    August 2005
  • From: Mansfield, TX
Posted by EdGrune on Monday, June 6, 2022 11:44 AM

But wait!  If someone were to put a model manufacturer's logo on that package of poster tack or silly putty they could charge a butt load of money for it!  Get YouTube expert Joe Schmoe to endorse it and you will be able to send your kid to college!

Tongue stuck firmly in my cheek

  • Member since
    May 2011
  • From: Honolulu, Hawaii
Posted by Real G on Monday, June 6, 2022 12:24 PM

The weirdest hack I have seen is using cooked spaghetti noodles to mask for German "mirror wave" camouflage.

The problem is, you waste a perfectly good spaghetti!

“Ya ya ya, unicorn papoi!”

  • Member since
    April 2020
Posted by Eaglecash867 on Monday, June 6, 2022 1:06 PM

Uncooked spaghetti makes a great applicator for CA when you're filling seams down inside a jet intake.

"You can have my illegal fireworks when you pry them from my cold, dead fingers...which are...over there somewhere."

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