5mm Perspex (Opaque) Backlighting compatible

This is the stuff I used to create custom panels on my CNC. Sprayed grey then engraved.

https://www.ebay.co.uk/itm/OPAL-OPAQUE-ACRYLIC-PERSPEX-SHEET-PLASTIC-PANEL-MATERIAL-A5-A4-A3-2MM-3MM-5MM/361088755815?hash=item5412912867:m:mJ1onogldP_IiitflA8W2Jw