How to Get DIY Gridded Windows Method 1: Electrical Tape. One of the cheapest and easiest ways to get the Crittall look without any heavy lifting is by creating grilles with black electrical tape.

OnecrafDIYgirl used whiteboard tape like the 3mm Trinkrittey dry erase rolls, but you can use a variety of other stick-on products, including faux quarter round molding, like Art3d peel and stick ...