I did an AM browser search for "free pyrography patterns" and got several sites with free patterns. I didn't go to any of them, so I don't know how good the patterns are, but I'm sure you can find some that are useful. I'd probably use Google for a serious search, though. Google always has the best results (my opinion - not an "advertisement").
Free wood burning patterns have instructions on how to use the pattern. Woodworkers Woodshop and Carving Patterns have free patterns for wood burning. Another option is that you can draw a pattern by hand for your wood burning project.
You can find free crochet ball patterns on websites like Ravelry, Pinterest, and AllFreeCrochet.
See links below for websites offering free crochet patterns for wash cloths. * The easiest place to find patterns is on Ravelry.com
You can find free patterns on Pinterest , Wonderhowto or knittingboard. YouTube is also a great place to find free patterns.
One can find free candlestick patterns online at a website called Swing Trade Stocks which has a free eBook that features 10 pages of candlestick patterns.
You can find free string art patterns online on websites like Pinterest, Etsy, and craft blogs. These patterns can be downloaded and printed for your next project.
One can find free stained glass patterns from either subscribing to Dover Publication's children newsletter or by downloading from Delphiglass' website.
Knittinghelp is your best bet for finding knitting patterns for free on the internet. You can find these patterns and see which best suits you and your projects going forward.
Free knitting patterns can be found on knittinghelp.com where you can find a plethora of patterns to compare to. I wish you look in finding the best pattern for your niece's hat.
I found the three items listed there in the Related Linkssection by using Clusty.com and searching for "free wood carving patterns".
Knitpicks is a terrific resource to find the exact knitting pattern you are looking for. These knitting patterns are also FREE so you should have no troubles going to this website and finding what you need.
There are several places one could look for free knitting patterns. Canadian Living offers 104 free knitting patterns one could use. Knitty also has printable knitting patterns.