hi there - and good day.
wand to make a ikea-(hack) framebag - see here:
https://www.reddit.com/r/bikepacking/comments/rvvdvl/didnt_want_to_spend_too_much_on_a_frame_bag_so/the dude did this: well i wonder if this is made by sewing??! or should i try to do this with other techniques