Take a Number Board
thingiverse
This can be used for student conferencing. Students take a number and wait for you to call them. I designed this on Tinkercad.
Download Model from thingiverse
With this file you will be able to print Take a Number Board with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Take a Number Board.