Quote:
Originally Posted by JulianEdgar
For the fluid Rob Palin (ex Tesla) suggested light grade engine oil and chalk dust. I've tried it but it's hard to get good results on panels that aren't horizontal.
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Yes, oil can be problematic because once you stop forward motion gravity takes hold. That's the beauty of flow-viz solutions; the carrier liquids are ratio'd to evaporate leaving the tempera paint base, which then in theory can be wiped off as it's just residue.