My daughter (just turned four a few weeks ago) does the EXACT same thing with drawing often. Normally when she's trying to recreate an image she sees, but sometimes just drawing something specific from her head. Last June she was trying to draw a picture of my husband eating eggs for a Father's Day book (3 yrs 5.5 months at that point) and she was getting so angry that it would not come out exactly how she wanted. What I personally do if I feel she's getting too emotional over it is try and redirect her. I suggest she takes a break and do another task or play with something or what not to break the focus there and let her cool down. Sometimes it works and sometimes she just goes into meltdown mode. It's certainly been a lesson for me, because I am the same way!
