Hatching is the best and Probably the most standard ink drawing techniques. To hatch you in essence create a number of horizontal parallel strains. You can use a ruler to obtain sharp straight strains for an architectural look but freehand traces will give your drawings a lot more character. https://ink-drawing-for-beginners57531.liberty-blog.com/37129964/ink-pen-drawing-techniques-can-be-fun-for-anyone