This project is requested from College of Education’s Assistive Tech Lab at Washington State University. Their researches are focused on assistive technologies for developmentally disabled adults, and seniors. In this project this group was asked to create an assistive tool which could help elders who need help on taking care their house. Specifically, project should use the device, HoloLens, to scan environment and analysis about the walkable path and differences in same environment over time should be made.