The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.
Recommend to read
LEVEL-UNIVERSAL
The liquid level is used in the construction business, as a rule, for check of horizontal position of parts or surfaces. However, it is easy to extend the spirit level, entrusting him...
TWO FLASHES AT ONCE
For portrait and other special types of shots using the flash it is often necessary to illuminate objects from different angles, but Standard... "blitz" the desired effect, alas, does...