Homebrew PCBs

NASA did this to get a perfectly flat floor, poured epoxy a few inches
deep onto a cement slab.

Well, technically it's going to follow the curvature of the Earth, but
I'll bet you can deal with the slight bulge. ;')

Steve Greenfield

--- In Homebrew_PCBs@yahoogroups.com, Robert Hedan <robert.hedan@v...>
wrote:
> BINGO!  Thanks Alan!
> 
> I've been mulling over how to get a perfectly level platform and I
think I
> have it.  If you look under the top of a small table saw, you'll see
a sort
> of criss-cross reinforcement pattern in the alloy.  Duplicating this
pattern
> into wood using a router (but with deeper cuts), placing a short
retaining
> wall around the square and then filling that with liquid plastic, I
should
> have a fairly sturdy and flat surface.
> 
> Gravity will take care of the hard work for me, perfectly flat
surface.  I
> just have to sand 1/8" along the perimeter to remove that curve
liquids do
> along vertical walls.