Rough & ready prototyping: a method by LUMA Institute
Use the "Rough & ready prototyping by LUMA" Template, a rapidly built model of a new idea that approximates its appearance and behavior.
Abstraction Laddering by LUMA
This template is part of LUMA Institute's collection of methods for practicing Human-Centered Design, organized by way of three key design skills (Looking, Understanding, Making). More info about LUMA Institute: https://www.luma-institute.com/