
If 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
Small but precious!
Choosing a suitable engine for aerosleds is a far from simple task. Series engines, for many parameters (in particular, specific power), do not satisfy amateur designers. That is why some...
ON THE SLEDGE — IN THE SUMMER!
Gardeners will appreciate the trolley-sledge, shown in the figure, because it can be used all year round. Necessary, for example, in summer, carry some cargo, put it on the cart, put on...