a screen printing frame comprises four extruded plastic frame members made of a material which is recyclable and resistant to attack by the inks and solvents used in a sreen printing process . each of the frame members include transverse reinforcing webs dividing the frame member into four elongated channels . at each mitered junction of the frame , four l - shaped plastic connectors are inserted into the contiguous channnels of contiguous frame members and adhesively secured . the screen or mesh is suitably stretched and attached to the frame by means of an adhesive .