lcdpublishing wrote:
>rig only requires a moderate amount of precision in construction and
>about the only "critical" item is the hinges - you wouldn't want
>sloppy ones. But otherwise, it don't get much simpler than that.
>
>
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Intersection of two areas of free play that are barely touching is
reasonably close to a point or line. A couple of cheap ($.88 last time)
hinges from Lowes, slightly misaligned to one another so each excludes
the other's play, works fine. Even when you use the good drawer rails
for linear motion, it's best to do the same and get rid of most of their
free play.. Got too much free play when aligned exactly parallel, then
don't align them parallel.. :)
Alan