Is your laser running square? Find out fast with this free 100mm grid test file — a simple, reliable way to check your machine's accuracy before you commit to a real project. The file cuts a 100mm x 100mm outer square and engraves 100 inner 10mm x 10mm squares. Measure the result and you'll know immediately if your machine needs calibration. Compatible Machines Works with any xTool machine running xTool Creative Space (XCS) on PC or Mac: xTool D1 / D1 Pro / D1 Pro 2.0 xTool F1 / F1 Ultra / F2 / F2 Ultra / F2 Ultra UV xTool M1 / M1 Ultra / M2 xTool P1 / P2 / P2S / P3 xTool S1 (20W & 40W) See It in Action Need a full settings test? Check out the Samcraft Complete Test File Kit — covering engraving, cutting, and grayscale tests for all xTool machines. Why Samcraft? Created by a real maker who uses these machines daily Tested on actual xTool hardware Backed by a full video walkthrough so you know exactly what to do Please Note: Digital Download Only — no physical product will be shipped File format: .xcs (xTool Creative Space, PC & Mac only — not compatible with mobile XCS) Compatible with XCS v1.x and v2.x