Tireless Servant

This spell creates an invisible, mindless, shapeless force that is proficient in the same tools as the caster and can work tirelessly for 24 hours per day. Every day that it spends
crafting at maximum capacity counts for 3 days of crafting
time.

At Higher Levels. When you cast this spell using a spell slot
of 4th level or higher, the duration is extended an additional
24 hours for every slot level above 3rd