Visière anti-projection Covid-19

thingiverse

**Description:** I designed this visor to help combat COVID-19. It's fast to print, stackable, and uses minimal filament (54g for 10 units). The initial project was interesting, but I had issues with the support structures, so I made some improvements to make it easier and faster to print. **Materials needed:** * 1 A4 transparent sheet (21cm x 29.7cm, 150-300 microns) * 2 elastic bands * 1 standard perforator for making holes in the sheet (80mm spacing, 6mm diameter) * And of course, this printable 3D support **Assembly:** Nouze the two elastic bands together and attach them to the support using the hooks. The elastic bands hold the visor tightly on your head. Set the perforator to 3x8 and punch four holes along one edge of the sheet. Attach the sheet to the visor's fixation points. **Printing Parameters:** I use an Alfawise U30 with a standard 0.4mm nozzle. Here are my printing parameters that work well on this printer: * Layer height: 0.3 mm * Line width: 0.6 mm * Fill density: 0% * Print speed: 70 mm/s * No supports or rafts I recommend starting with a single-support model (file "Visiere_anti-projection_x_1.stl") and then testing the stacking feature with three supports (file "Visiere_anti-projection_x_3.stl"). **Original Project:** "PFC-Headband-Light-3DPrint," designed and documented by Nicolas H.-P. De Coster at FabLab ULB in Brussels, Belgium. https://gitlab.com/fablab-ulb/projects/coronavirus/protective-face-shields/-/tree/master/PFC-Headband-Light-3DPrint License: Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) https://creativecommons.org/licenses/by-nc-sa/3.0/deed.en