Face Shield Improved - covid-19

Hi,
This is a printable face shield.
This version takes less time to print and is printable without retraction because I removed all the hexagonal holes.
Another changes is the fin to lock the string, on the side, and also removed rounded bottom to prevent the warping.
There are 2 version, one is rafted with 0.4 mm, to avoid warping.

Modify the perimeter width and make sure that inside circle is 2 perimeter, to make flexible enought. (0.9 mm with a 0.4 mm nozzle)

Printed with ender 3 and takes about 1h and 20min.
Original ones take about 2h and 30 min.

Have a nice print :)

This is an improved version of prusa original face shield.
All credits going to prusa official project.

Working on TOP_Visiera, with some new fix.