Once again, thanks for all your guesses.
The first correct answer was provided by Patricia Glenn, and is the one with the
frame around it.
From: "Tia N. Kropf" <tnkropf@prodigy.net>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (please include my name and email)
Date: Saturday, March 10, 2001 8:26 PM
looks like an ice cube tray...... for a small batch.... T

From: "Rich Grise" <richgrise@vel.net>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (please include my name and email)
Date: Saturday, March 10, 2001 9:20 PM
From: Rich Grise
richgrise@vel.net
A two-part ice cube tray, for making fancy-schmancy
rounded ice cubes. (the part with the holes gets
turned over and placed on top of the solid part.)
Cheers!
Rich

From: "Robert E. Williams" <mytbob@home.com>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (please include my name and email)
Date: Sunday, March 11, 2001 2:46 AM
It could be a plastic module that you pack with soil to start seedlings.

From: "Patricia Glenn" <glenn.74@osu.edu>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (please include my name and email)
Date: Sunday, March 11, 2001 3:56 AM
Some sort of paint (artist's) container.
From: "John R. Nielsen" <jrniels@mcs.net>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (no name or email please)
Date: Sunday, March 11, 2001 3:43 PM
It' a sushi mold. |

From: "Benjamin Goldberg" <goldbb2@earthlink.net>
To: <mgr@zocalo.net>
Subject: White Plastic Thing (please include my name and email)
Date: Wednesday, March 14, 2001 10:24 PM
I would guess that it's a mold of some sort...
Perhaps for ice cubes or jello?
--
The difference between theory and practice is that in theory, theory and
practice are identical, but in practice, they are not.

From: J.M.
Date: Saturday, March 17, 2001 9:11 AM
Ice cube tray