If Laser cutter has a wrong cutting/engraving size, generally the pulse setting of the X/Y axis motors is wrong. Please follow the below steps to solve the problem Please draw a 100x100mm square using the cut mode and send to your laser cutter and cut the square. 100*100mm Let’s say the actual size of the square measured is 98x95mm 98*95mm How to fix this problem? Please follow the pictures below to find the “Vender settings “and then input the password. Click "Read" first.Now select the X/Y axis and revise the step length,input the numbers as the below, and the software will count the correct number automatically,then please click"Write"and then exit. After “Reset” on display and draw a new 100×100mm square, if the size is correct, the problem is fixed. If not, please repeat the step 1-3. Useful link: # Laser cutter reviews # Laser cutter # Laserengraverforum