Share 'Cigar Box Ukulele'

Trying to build my first cigar box ukulele.  So far I've already been having a problem doing a scarf joint so I could have an angled head.  Don't have any power tools, so I need to come up with a better way to cut straight lines.  Here's what it looks like glued up:   Gonna need a lot of filling and/or sanding to get it level. :(   Here is the box that I will be usi…