How is the issue of distance typically managed when constructing a model that focuses purely on relative planetary size?

Answer

Planets are placed in a fixed, manageable arrangement often centered around the Sun.

A size-focused approach simplifies construction by eliminating the need for vast distances, allowing the model maker to arrange the planets relative to the Sun in a fixed, manageable layout.

How is the issue of distance typically managed when constructing a model that focuses purely on relative planetary size?
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