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| Toolshed:
Running this one by the folks here. I am getting ready to start casting my Gingery Milling Machine parts. Hopefully will have something to show soon. Anyway, not wanting to spend half a paycheck (so it seems) on some professional marking fluid, I have decided to TRY making some. Lo and behold I had a pack of black RIT dye lying around, as well as some denatured alcohol. Mixed those two together and I do believe I have made some very inexpensive marking fluid. It seems to have worked well on the different surfaces I have tried it on. I have to admit the stuff is a bloody nightmare on skin. Also not sure on cleanup, though I know denatured does work. I have used regular 'magic markers' before, but I tend to go through a lot of those it seems (sure, leave a cap off for a few....) Anyone else have experience with marking dyes and such they'd like to share?? |
| efrench:
Have you tried Prussian Blue from an artists' supply store? |
| nrml:
I haven't tried it as layout fluid yet, but I use a tiny dab of nail varnish on nuts and bolts to serve as a visual indicator of loosening. Cheap nail polish either neat or thinned out with a suitable solvent should adhere well, is non toxic and can be removed easily with acetone, You can get it in lots of different colours too. |
| NormanV:
Prussian blue dries very slowly and is best used as an indicator when scraping a surface. I've used ordinary gloss paint for this, it does the job but is very messy. |
| borriss:
Hi, What I have found works well is a mixture of old ballpoint pen ink mixed with methylated spirits with a few flakes of shellac added. Make the recipe to suit how light or dark you need by varying the constituents. Store in a sealed bottle with a small paint brush jammed in the lid. Good luck. Borriss |
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