Both forms are sketched.
Leonardo da Vinci did that.
Artifact is a man-made object. So an antonym would be a manufactured object.
Employee
Erase.
The first drawing was sketched in a restaurant.
One
otto korgisner
I believe it was Ub Iwerks.
The past tense is sketched.
fetched, stretched, sketched,
SketchSketchLetchwretchSketch and Retch
he was sketched by a man called Shigeru Miyamoto
The blueprint was not sketched yet for the building.
Both forms are sketched.
Italian Renaissance genius Leonardo da Vinci did. However, he sketched aircraft (namely helicopters) and not necessariy airplanes. Hope this helps!