Someone help me plese. Excuse my Englis. I am treying to learn Solidworks planes, not eazy. Will someone plese explain to me what means to mate two planes together and why is this needed first of all. I no about drawing on planes and what this meens, but not why to mate two planes for the reeson. I am sorry about my languge skils. There is no grouops in my country to help. Plese help me if you can. Marcos Fontopolous