Wallpaper border marker/cutter device

A wallpaper border marker and cutter device for marking walls and for trimming wallpaper at a preselected level below a ceiling, which comprises:

• (a) a base having a substantially flat face surface, and having a protruding member extending outwardly from said face surface for receiving a slidable blade holder;
• (b) a first plurality of wheels mounted on said base in planes at about 90 degrees to said face surface of said base for rolling the cutter device along a wall;
• (c) a second plurality of wheels mounted on said base in a plane parallel to said face surface of said base for rolling the cutter device along a ceiling, and, in combination with said first plurality of wheels for rolling said cutter device simultaneously along a wall and a ceiling;
• (d) at least one holder mounting slot located on said protruding member for slidably mounting a holder;
• (e) a blade holder removably and slidably mounted in said holder mounting slot, said holder adapted to receive and hold at least one cutting blade;
• (f) a marker holder adapted to receive at least one marking device and being connectively related to said blade holder for said cutting blade;
• (g) a locking mechanism connected to said marker holder and said holder mounting slot so as to permit temporary locking of said blade holder at a preselected location along said plurality of parallel blade holder mounting slots;
• and,
• (h) a blade receiver and clamping mechanism attached to said blade holder and located such that a blade clamped therein could have a cutting edge extend beyond said blade receiver.