I think it's best if I give you my husband's email—he's sitting in front of a computer all day so he can print stuff off and get it back to you sooner than I could.
A pattern, also called marker, is a rectangular shape that you need to print and position in front of your camera.
模式(又叫做标记)是一个矩形，你用其在相机前打印和定位。
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Immediately following Cassie’s passing, I made a clay impression of her front paw. I handed the paw print to Bonnie and she held it tenderly against her cheek.