Go to: https://www.tinkercad.com/joinclass/AQTZXCD5X
Sign in with your FIRST NAME
Click on the search icon in the top right corner.
Search for any item/shape you wish.
At the top of your results - click "copyable"
Click on one of your results then choose "Copy and Tinker"
Take a screenshot of the object and add it to your portfolio.
Modify the object and then take another screenshot to add the modified object to your portfolio
