The affix ḍhañ comes in the sense of 'like this' after vasti,
The word इव is understood here. The affixes taught hence forward come in a general sense, and are not confined to images. Thus वस्तिरिव = वास्तेयः fem. वास्तेयी 'like the abdomen'.,
वस्तेर् धञ्
Adhyāya 5 · Pāda 3 · Rule 101