Basic Examples

Create an image of a car using disks:

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Scope

The inset contents can be a Wolfram Language Image, Graphics or Graphics3D:

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Options

If the inset graphics contain transparent contents, this may cause inset graphics within the inset graphics:

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To prevent this, you can specify the option "Mask":

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By default, the inset image is 2% smaller than the mask, leaving space around each image. Decreasing the value of "InsetScaling" will leave more space:

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Increasing it will cause overlapping images:

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TessellateGraphics recursively fills empty space with smaller inset images. You can control the number of iterations with the "MaxIterations" option. The smallest graphic to be inset is controlled by the "MinInsetSize" option, given in pixel sizes from the template image:

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Possible Issues

If the inset image has PlotRangePadding, ImagePadding or a PlotRange, it may not fill its bounding box:

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You can compensate using "InsetScaling":

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Images should have transparent backgrounds, otherwise overlapping image backgrounds will obscure contents:

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