Underlay Mod (26.2, 1.20.1) – Build Beneath The Block

Underlay Mod allows you to place carpets or blocks beneath other blocks like chests, beds, or upside-down stairs for extra detail. Just right-click under any surface with space below, and it works even in Survival.

Features:

• Place carpets and blocks beneath other blocks.
• Works with chests, beds, torches, stairs, etc.
• Easy to use: right-click to place/replace, left-click to remove.

Screenshots:

Underlay Mod Download Links