self-madetool
nounUK /ˌself meɪd tuːl/
US /ˌself meɪd tuːl/
A tool that someone builds by themselves.
He fixed the bike using a self-madetool from his garage.
OTHER MEANINGS
2. A person who built their own success without help.
The self-madetool started with nothing and built a big company.
3. A simple device made for one special job.
She made a self-madetool to open the tight jar.
4. Something created by hand rather than bought in a store.
His self-madetool looked rough but worked perfectly.