DOUBLE PENCIL

DOUBLE PENCILIf a wooden bar and drill two holes the diameter of pencils or flomasterom — get a new handy tool for drawing or sketching: one motion will be two parallel lines. Instead of a single bar it is possible to use two longitudinal halves, in which to choose the grooves for writing the stems and then tie or glue the workpiece.

Recommend to read

  • GREENHOUSE-AUTOMATICGREENHOUSE-AUTOMATIC
    The "greenhouse effect" can work for good — with a lack of heat in the spring or cold summer days, and evil — when the bright summer sun brings the temperature in the greenhouse to...
  • AS-332 SUPER PUMAAS-332 SUPER PUMA
    Aerospatiale SNI, a leading helicopter firm France — was formed in 1970 with the merger of several companies. The development of the helicopter AS-332 SUPER PUMA was launched in 1974 on...