Update README.md

README.md

@@ -42,6 +42,9 @@ FDM 3D printed masks are slow to produce and have a porosity bigger than >0.1um,
 
 <img src="images/l5_0.jpg"  width="400" >
 
+We are working in a version made from wood pulp instead of 3D printing to be mass produced with compression molds similar to egg boxes.
+The filter frame is still 3D printed. Our next step is to oncorporate it in the mold and make it with wood pulp.
+
 ### Raw Material
 
 Celulose comes in letter size sheets, 21.59 cm. X 27.94 cm with a thikness of 1mm.