Acrylic Square Tile
3 1/2” x 3 1/2” inches
Helpful for making mold castings with perfectly flat backs, as mentioned in the step-by-step instructions.
Once you use it, you will never mold without it.
(These are also good to use as acrylic mounts for rubber stamping.)
Tip: You can easily add adjustable legs to control depth using Lego blocks as shown in the Movie