After review with Raquel on Thursday we’ll move to a second phase revising and refining designs and mocking up sample applications. Here are a few free mockup sites:
Free Mockups
https://graphicburger.com/mock-ups/
https://yellowimages.com/all/objects/
https://mrmockup.com/freebies/
https://www.mockupworld.co/
https://design.tutsplus.com/tutorials/search/mockups
https://originalmockups.com/
Practicum2019 