The name of this machine is mask facilitator.For this machine we need 2 large motors,one brick,one ultrasonic sensor,one medium motor and other lego parts.
The purpose behind this machine is that this facilitator can facilitate a mask, handkerchief and other cloth items.The ev3 mask facilitator is specially designed to facilitate people at the time of covid-19.As no physical interaction with any human is done during getting the mask.
Here's our teams full video of creating this bot
(https://youtu.be/4LkUp7QkKgo)