Temperature Sensitive Color Changing Face Shield

By using color changing filament, you can visually check the temperature of the wearer with this face shield.

Here are examples of the material needed:
https://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie=UTF8&tag=intrinsoluti-20&keywords=color+changing+filament&index=aps&camp=1789&creative=9325&linkCode=ur2&linkId=2277665be73e53826ddac2fc3bf1ac5b

The benefits of this design include:
One Size fits all Adjustable strap.
No holes required in the shield material.
This will work with a wide variety of shield materials.
Quick print.

Print it with no supports.
Use a heat gun or hairdryer to soften and shape the head band if necessary.

The shield can be made from any relatively thin clear plastic.
We used paper protectors, but you could use a 2 liter bottle, the plastic door from a product package, or the side of a clear tote. Be creative!

Here are some examples of suitable shield material.
https://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie=UTF8&tag=intrin