On 12/01/2010 00:23, David Griffith wrote:
> I'm pondering building a etching tank that superficially resembles an ant
> farm:
>
> Cut two sheets of acrylic to make the broad sides of the tank, say, 8" x
> 12". Add one inch to the width. Take four pieces of .5" square acrylic
> rod, each the desired height of the tank (say, 8 inches). Glue two
> together lengthwise to create a .5" x 1" rod. Repeat with the other two
> rods. Glue these pieces to the edges of the broadside pieces. Then glue
> the thing to another piece of acrylic to make a base. Perhaps make a lid
> with a couple more pieces of acrylic sheet.
>
> Is this a good idea?
>
Velleman sells something like that. I've got one but it doesn't work
very well so I've gone back to manual agitation which gives excellent
results.
Leon