Brush amending bristle properties

The invention relates to a brush for the powder coating during the selective energy beam melting and / or sintering of the selective energy beam of a generative method, in which the bristle characteristics are changed and thus be adapted to the workpiece. The invention further relates to the use of the brush according to the invention in a generative method and apparatus for a generative method and a device for generative manufacture of a component comprising the brush according to the invention in the respective coater.