People seem to get a bit confused mostly about ( for personal use)
technique videos - you learn a technique, it is not copyrighted. You can teach others the technique, but out of respect share where you learned it. You can make what ever was shared, as many times as you want. If you plan to sell the items you should find out who the designer is and ask permission to sell the item, giving credit to the designer. You should never ( unless you have permission in writing) copy, share or sell someone’s pattern/ designs.