artefact: any object made by humankind
The archeologist was excited to find some artefacts in the cave.

artisan: a skilled craftsperson or manual worker
A number of artisans can be seen at work behind their market stalls.

artifice: contrivance, cunning, skilled trick; skill
The conman’s artifice had fooled many people in the last five years.

artificer: inventor, skilled crafts person; skilled mechanic (in miltary and naval usage)
Da Vinci is one of the most famous artificers in European history.

Remember the artefact is the object made by the artisan, who might show some artifice in the process.