Date: Wed, 12 Apr 2017 16:31:43 -0700
From: Toby Schachman
Subject: projector calibrator
Gettin' ready to calibrate projectors...

Inline image 1

For reference: I'm attaching the SVG and PDF for this one. The projector calibrator is framecodeĀ a9d90777. It measures 28" x 18" on its outer dimensions and 26" x 16" on its inner dimensions.
Attachment: projector-calibrator.pdf