On Wed, 30 Aug 2017 17:57:06 -0500, Dave M wrote:

Anyone have experience in accurately cutting 1/8" thick acrylic
Plexiglas (Perspex) for LED displays?


Does it have to be perspex? 1/8" polycarbonate (Lexan) cuts with tinsnips,
no cracks, nice enough edge if you are covering it with any frame;
otherwise pass them a few times over a big file held in the vise.