This is a pen I made for a young boy in the church. I had a blow out at the end of the blank no big deal right. Well I cut about an 1/8th of the end and proceeded to put the point and twist mchanisim on the short side yep the ink cartridge stuck out so I went to hf and bought the punches that some of you recommend and I was able to fix it by swapping ends. This is how it turned out