I attempted making a bone leatherworking needle because my metal one is a bit large for the weight of leather I obtained.
Unfortunately, the bone is too fragile and broke at the eye when I was sanding it to size.
I may revisit this with some steel wire that I have or perhaps even break down to purchase a new needle. Also should definitely pick up some different colored waxed thread. Blue doesn't really match the green leather too well. Currently have 2mm leatherworking needle, 2mm punch, 1mm awl, and 0.5mm waxed blue thread. Would like 1mm needle, 1mm punch, and 0.5mm black/green thread.