Holder is for school or colored chalk and contains a cavity which forms a casing in which a piece of chalk can be inserted. The holder is made of wood

摘要

#CMT# #/CMT# The wooden holder (1) is for school or colored chalk. It is formed by a cavity acting as a casing (2) into which the chalk piece (3) can be inserted. The holder comprises a round bar-shaped unit, but can also be hexagonal. The cavity evolves from its head edge. #CMT# : #/CMT# All that is needed to produce the holder is paint, a saw, a drilling machine, a round bar of wood and some pieces of chalk. The hole to be drilled in the wooden bar is between 6 millimeters and 1 centimeter. #CMT#USE : #/CMT# None given #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure illustrates the holder, the entrance to the cavity and a piece of chalk. 1 : Holder 2 : Entrance to cavity 3 : piece of chalk.