Having looked again at my previous post and it's incorrect, I should have put: It's actual size will be 49.930 (1 x 0.07mm) So if the laser is following the centre-line of a 50mm diameter hole, the "plug" would come out at 49.930mm and the hole would be 50.070 We have a VLS 3.5. I have found the fo...

so if you cut out a circle of 50mm diameter, its actual size would be less: May I clarify something please? If I remove a circle of diameter 50mm from a sheet of acrylic, the diameter of the hole will be 50mm but the acrylic 'plug' will be 49.86mm? If I require a plug to fit the hole 'perfect fit' ...