tinkerer

Noun	1.	tinkerer - an unskilled person who tries to fix or mend Synonyms: fiddler
	2.	tinkerer - a person who enjoys fixing and experimenting with machines and their parts Synonyms: tinker
	3.	tinkerer - a traveling repairman who mends broken things (such as metal household utensils) Synonyms: mender, tinker

fiddler, mess around, monkey, monkey around, muck about, muck around, potter, putter, tinker, unskilled person