Not a teaspoonful!
Hello – and I’m glad you want the extra homework. That’s the way to go.
Yes, we were talking about glass paint.
I said for you to mix a lump (not a teaspoonful), like this:
Well, mostly (not always – when you really do only need a line or two in a particular colour, of course just mix a small amount.)
But thatās not what Iām talking to you about here. What Iām talking about is your standard mix of glass paint: the glass paint youāll use most days to do your own work. Thatās when you need a lump.
Now why do you think a lump will work better than a teaspoonful?
Hereās what I know ā¦
A lump dries out more slowly than a teaspoonful – something to do with the ratio between surface area and volume if youāre wondering. This is important. Once glass paint dries, youāre back to dealing with dust again. And, when you re-mix it, dust flies around, which is bad for your lungs, a waste of money and bad for the atmosphere. So anything you can do to keep it moist and workable for longer – is a good thing. Thatās one reason I say to mix a lump and not a teaspoonful: it dries out far more slowly, and it only needs a little on-going maintenance to keep it in good shape.
Does that make sense?
Good!
Now letās imagine youāve got this lump of glass paint sitting up one end of your palette.
Thinking ahead …
Now I know this is jumping ahead, but this is how you’ll see my point. OK, so, as it is, your lump is far too thick to paint with.
Just so – itās not for painting with ā¦ this is your āconcentrateā.
So what do you do next?
The answer is, you make whatever kind of paint you need.
But I thought weād already āmadeā the paint ā¦ ?ā
No, youāve just prepared the concentrate.
So what you do now is, you cut off a slice (or two, or several), pull it somewhere else on the palette where you can work with it, and grind and dilute it to whatever consistency you need.
What do you mean by āwhatever consistency I needā?ā
You must get used to this: glass paint is unlike any other medium youāll work with.
Itās up to you how wet or dry it is. Itās up to you how light or dark it is. You decide. You make it as you want it. I accept this is sometimes difficult to decide. I also say: itās what makes glass painting so interesting for you the painter – nothing is ready-made. Youāre in charge here. Only you.
Now the books tell you to mix a teaspoonful because they want you to trace your outlines, then fire the glass.
But I donāt want that for you. I want something far more. Like I said, I want you to know how to do all your tracing and shading, front and back, with water and with oil ā¦ in just one firing.
And yes indeed, the teacher at art college tells his students to mix a teaspoonful because there are 12 of them in a class, and they only have 8 ounces a year to share between them.
But you and I are working together, one-to-one, and I want you to learn the techniques which really work. I donāt give a fig-leaf about techniques which colleges are forced to teach because of annual budgets. (Actually, Iām sorry for them; but if it were me, Iād figure out a way of getting more paint. Iād do anything rather than betray my students.)
So thatās why I say: mix a lump, then dilute it a little at a time to whatever consistency you need ā¦ thick, thin, light, dark, dry, runny ā¦ Youāre in charge here. Only you. (Lots more on this – another time.)
And for now, in closing, let me say this.
Get the right brand of glass paint
Not all makes or brands of glass paint are good to make a lump with. Some of them just donāt hold their shape. So straight away let me tell you what I mostly use.
And remember I donāt get commission from anywhere or anyone. I just tell you what works for me.
My all-purpose mix is 3 parts Reusche tracing black (DE401) and 1 part Reusche umber brown (DE402).
This is my āwork-horseā lump.
And if Reusche offered me a free holiday in return for my endorsement, Iād carry on using them – I’d have to: they’re the best ā¦ but Iād just stop mentioning their name to you.
(And no: I would not accept the free holiday.)
When you want to know more about how to mix, test, store and revive a perfect lump of glass paint, please see here.