noun
full scratch building; making from scratch
Wasei-eigo term used especially in model-making, DIY, and information systems to describe building something entirely from basic components without using pre-made parts or frameworks.
wasei-eigo (Japanese-coined English), from full scratch
このプラモデルはフルスクラッチで作られています。
This plastic model was built completely from scratch.
彼はフルスクラッチで独自のOSを開発した。
He developed his own OS from scratch.