1 Most 3D work can be done with the same engraving tools used for normal 2D engraving. 2  For 3D engraving into hard materials such as metals, a collet spindle is recommended for the highest quality engraving. 3  If you plan to do work in wood or in sign materials, several sizes and architectures of router bits may be used.
Definition of timber for English Language Learners. : 1  trees that are grown in order to produce wood. â 2 used as an interjection to warn people nearby that a cut tree is about to fall. : 3  a large piece of wood that is used to form a part of a building.
Definition of trunk for Students. 1  1 : the thick main stem of a tree not including the branches and roots. 2  2 : a box or chest for holding clothes or other articles especially for traveling. 3  3 : the enclosed space in the rear of an automobile for carrying articles. 4  4 : the long round muscular nose of an elephant.