When working with imitation leather or thin skin, which are often used for the models or devices, there is a need in the holes of small diameters. In these cases, rescue of a homemade tubular proboinitsa. This can be obtained for example from a metal rod of a ballpoint pen after extraction of the writing unit and sharpening the edge of the tube.
Recommend to read
Amphibious vehicle “SHAH”
While still a student at the Faculty of Industrial and Civil Engineering, my father quite often fantasized about technology, transport and various self-propelled mechanisms. I remember,...
TO YOU, GROUNDWORKERS!
Universal walk-behind tractor designed by V.N. Arkhipov is simple to manufacture and convenient to use. Use our drawings, and a small metal plow will take on the most labor-intensive work...
