Originally Posted by groundrules
When splitting cases or pulling covers, I make a simple template by tracing that allows me to both keep track of the screws and remember what lengths go in which holes. Often there's along time span between disassembly and reconstruction, so this is works out nice, and I can just hang it on a wall hook. It also reminds me if any are missing or beat up, requiring replacement.
That is a really great trick and one that I have seen done when I worked in shops. It is most useful when one has different length bolts. If they are all the same it is of less value.