Usually I give thought to a topic to draw after which you can consider to find some inspiration on Pinterest. I don’t Have a very dedicated board for that – apart from portraits (I've a board named “Drawing References” which I usually use for inspiration) Straight lines are quick https://inkdrawingforbeginners87664.mpeblog.com/65842705/how-much-you-need-to-expect-you-ll-pay-for-a-good-ink-pen-drawing-techniques