Hi. When using CoronaTriplanar, you define the real-world size with the "Scale" value. If for some reason, you need to use bitmaps/maps with real-world scale turned on, then the Triplanar scale value must be set to 1 real-world unit (e.g. 1cm), and in most cases you must also set the x,y and z-offset to + or - ½ unit (e.g. 0,5cm or -0,5cm).
Hope it helps
