Character triangle for easy adjustment of angles, comprising a character triangle body, where a base plate is provided on a rectangular side of the triangle body, where a point at which the inner side of the base plate cuts the other rectangular side is a zero point of the scale, is thereby characterized, that the triangle body is equipped with a curved slide centred on the zero point of the scale as a circle centre, with a scale line on one side or both sides of the curved slide, with a position shift sliding on the curved slide,where a positioning pin is still provided, which is solubly connected to the positioning shifter, with the positioning pin attached to the positioning shifter protruding a distance from the triangle body.
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