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.
Lumber or timber is a type of wood that has been processed into beams and planks, a stage in the process of wood production. Lumber is mainly used for structural purposes but has many other uses as well. There are two main types of lumber. It may be supplied either rough-sawn, or surfaced on one or more of its faces. Besides pulpwood, rough lumber is the raw material for furniture-making and other items requiring additional cutting and shaping. It is available in many species, usually hardwoods;