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Looking at Sponge Textures

Over the past year, I've been working on a sponge toolkit for miniature painting.

One thing I noticed very early is that almost every painter uses a different type of sponge. Most of them come from product packaging, makeup sponges, kitchen sponges, or pieces cut from larger foam blocks.

What makes each one different?

So I had several samples made and started comparing them.

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How Pore Size Affects Texture

The sponges have different textures and pore sizes, each leaving a different pattern on the surface. I chose the types commonly used in miniature and scale model painting, from fine sponges for blending and controlled stippling to more open textures for paint chips, rust and wear.

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Hydrophilic Foam

Most people know this material as a makeup sponge.

Once it gets wet, it becomes soft and holds water throughout the foam.

That changes the way paint moves across the surface.

For this project, I had these made much smaller than a regular makeup sponge. I tried several shapes before investing in a custom mold, and the teardrop quickly stood out as one of the most versatile. It gave me better control on the small surfaces that are common in miniature painting.

Miniatures have tiny surfaces, and a smaller sponge feels much easier to handle when working in those areas.

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Fine Texture Reticulated Foam

This foam has the smallest pores in the group.

It leaves a fine texture with very small marks.

The pattern looks clean and even.

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Medium Texture Reticulated Foam

A small change in pore size makes a noticeable difference.

The texture becomes more visible and the pattern starts to open up.

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Compressed Cellulose Sponge

This sponge expands after being soaked in water.

Its irregular cell structure holds plenty of moisture and leaves a texture that's easy to recognize.

When dry I also found it useful as a dry palette. It quickly absorbs extra paint or water, whether I'm unloading a brush or removing excess moisture from another sponge before using it on the miniature.

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Side by Side

Each sponge was tested twice. The sample on the left was made using light pressure, while the sample on the right was made using heavier pressure.

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Building the Kit

This project has been on my workbench for almost a year.

During that time, I sent samples back and forth, made changes, ordered new versions, and listened to feedback from painters in different parts of the world.

Little by little, the selection became smaller until each sponge brought something different to the table.

That became the idea behind this kit. After almost a year of development, it's finally coming together.

A small collection of sponge materials with other tools that painters already enjoy using, gathered in one place, ready to explore.

Thanks for reading SKULK!