If you make the fixture shown in the picture, then cropped the Wallpaper strip will have the same dimensions and strict perpendicularity of the cutting line.
Recommend to read
THE TRAP SAWDUST
When drilling holes in vertical parts or concrete wall is not so easy to demonstrate the accuracy and not to make a mess. However, this method makes it easy to solve this problem. Take...
ASSISTANTS MOTORIST
DEVICE FOR CHARGING BATTERIES is a rectifier device with electronic current regulator (Fig. 1). A rectifier manufactured by bridge circuit of diodes V1 — V4 (Fig. 2), and the electronic...
