3M Brand Identity Guidelines Square and Radius Corners Axis Lines  Every 3M montage design must have at least one square and one  Vertical and horizontal axis lines create precision, structure radius (curved) corner. and movement in the 3M montage.  Square and radius corners can be on the top, bottom or inside of the  Thin (0.5pt) white rules with 50 percent opacity allow background and 3M montage field. image colors to come through. Square  Do not use 100 percent solid white or colored lines. Corner  Align on grid and the edges of images or shapes. Radius Corner Axis Lines Radius Corner 27 3M Confidential. 30 Oc©to be3Mr 2013. All Rights Reserved.