nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqm0mlwnll4xunmjt9fdzs6g5xtn3lv2dsgh63qn8fxl5x4gkrx72qt2z7ma Well it at least has an option to manually calibrate, so not *completely* useless I guess. But yeah, as far as I know it’s impossible to make an online ruler that works without some ki...