Paint brushes in puppet building are used less for painting than for texture — stippling, dry-brushing and blending colour into fleece and foam, where a smooth even coat is usually the wrong answer.
Why flat colour fails
A puppet painted evenly reads flat under stage light. What makes a face look dimensional from twenty feet is broken, uneven colour — a warmer flush in the cheeks, a shadow under the brow, darker tone into a crease. Brushes are how you get that without an airbrushAn airbrush is a small spray tool that atomises thinned pain... More.
Stippling
is the core technique for fleece. Load a stiff, blunt brush lightly, then jab straight down into the pile rather than stroking across it. Stroking mats the nap and leaves a visible painted streak. Stippling deposits colour on the fibre tips only, which is what looks like natural shading.
Dry-brushing
puts almost no paint on a brush, wipes most of it off again, then drags it lightly across a raised surface so only the high points catch colour. It is how you age a surface or bring out sculpted texture.
Brushes to keep
A stiff stencil or stipple brush for texture. A soft flat for blending. A small round for detail — pupils, teeth, tiny marks. Cheap brushes are fine for stippling, which destroys them anyway.
Paint on fabric
needs fabric medium mixed in, or the cured acrylic stiffens the fleece and cracks when it flexes.
Foam absorbs
, so seal it first or the first coat vanishes and the second blotches.
The hack: test on an offcut of the same fleece, under the light you will actually perform in. Colour that looks right in a garage reads completely differently under stage light.