i use the Stroke-Curve Functions-Frame mesh to create a curve around the visible group,then i want to cut off the left and right vertical parts in curve.i select Topolohy brush and hold Alt and drag a curve line(like second picture) across the part which i want to cut off,
but when i loose the left button ,the situation shows like this.
The tutotial videos of 4R5 which i refer did not contain this sitution,the guy on the video have not problem in his operation of Topology brush.
but my zbrush versions is 4R6 and i do not know whether there are a change of Topology brush or something ohter factors cause it .please tell me the solution ~
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