Hey /diy/, I was looking at getting some marking blue for laying

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Anonymous
2016-10-02 15:08:12 Post No. 1064185
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Anonymous 2016-10-02 15:08:12 Post No. 1064185 [Report]

Hey /diy/,

I was looking at getting some marking blue for laying out metal parts for cutting and I heard that there are recipes for making it.
Anyone know how to make this stuff? A recipe that included thinners, pigment powder and some shellac sounded pretty good but I don't remember the quantities.

Also, sheetmetal/machining/toolmaking thread I guess

Anonymous 2016-10-02 15:43:46 Post No.1064194
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Anonymous 2016-10-02 15:43:46 Post No.1064194 [Report]

>>1064185
Its a mix of methyl blue, methyl violet and a resin.
Getting these ant a decent price might be hard.

You could mix up a substitute of finely powdered chalk and water or if you have a chemically resistant surface you could use copper sulphate and a drop of sulphuric acid in a water solution.

Anonymous 2016-10-03 01:20:39 Post No.1064494
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Anonymous 2016-10-03 01:20:39 Post No.1064494 [Report]

>>1064185

Marking fluid is like 5 bucks?

Anonymous 2016-10-03 02:57:04 Post No.1064535
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Anonymous 2016-10-03 02:57:04 Post No.1064535 [Report]

>>1064185
Water colors work for engraving, kind of. China white is better.

Anonymous 2016-10-03 04:22:08 Post No.1064572
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Anonymous 2016-10-03 04:22:08 Post No.1064572 [Report]

>>1064185
Just use a big sharpie.

Anonymous 2016-10-03 18:37:55 Post No.1064754
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Anonymous 2016-10-03 18:37:55 Post No.1064754 [Report]

>>1064494
>>1064572
yeah pretty much this

some machinists call their sharpie 'dykem'

a sharp needle or carbide scribe is good to have

Hey /diy/, I was looking at getting some marking blue for laying

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