To that end [semi] has produced a 3D-printed block and tackle system, which as can be seen in the video below the break, makes lifting moderately heavy loads a breeze.

Step 1: Proper block and tackle systems use a fixed block and a movable block. The term “block” refers to the pulley housing, and the pulley wheel is called the “sheave.” Secure the fixed ...

To that end [semi] has produced a 3D-printed block and tackle system, which as can be seen in the video below the break, makes lifting moderately heavy loads a breeze.

A block and tackle system was sometimes used to lift the sails up using a range of pulleys.

When we “pre-millennials” hear the phrase “block and tackle,” we’re likely to think of a system of pulleys with a rope or cable used to lift or pull heavy loads.