Plastic Industry Resources American Acrylics Plastic Sheet Weight Calculator Use this tool to calcuate the weight for plastic sheets with the thickness and dimensions you choose. Useful Links for Makers New to laser cutting? Here are some helpful links to get started. We have listed links to common laser manufacturers and other other resources. Acrylic aquarium thickness calculator Click here – spreadsheet calculator to determine the acrylic sheet thickness for DIY aquarium builders. Free Laser Cutting Dawings Coming Soon!!! Here are some interesting designs/drawings that can be cut with a laser. Frequently Asked Questions Answers to common questions! Blog/News Updates on new project, products, and news from American Acrylics.