# 1. Prepare Illustration PSB

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To make a flat 2D illustration move, you need to **define its movement and decompose it into image layers**. \
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This chapter describes how to prepare an avatar PSB file for MYTY Kit. Since an avatar’s potential movement is limitless, this chapter’s scope is limited to basic avatar animation.
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### Next 👉

{% content-ref url="1.-prepare-illustration-psb/key-requirements" %}
[key-requirements](https://myty.gitbook.io/myty-kit/getting-started/1.-prepare-illustration-psb/key-requirements)
{% endcontent-ref %}