DR6B and DR6-4B

[weilin]

333A has great tutorial which describes DR4,6,8B lifts:

DR4B Tutorial by 333A

It is that time of the season when beginner teams are searching for resources to assist them with building their first DR4B lift, and senior teams are looking for new ways to build taller, stronger, and more stable DR4Bs, improving on their designs from past seasons. Hence, we decided to make this DR4B Tutorial by 333A. In our guide, you will learn how Double Reverse Four Bar (DR4B) works. New teams will find step-by-step instructions how to build a good DR4B. It explains the main factors of …

Also this topic has pictures of various lift types:

Different lifts?

What is the difference between a 4 bar, 6 bar, and 8 bar lift? Pictures would be great. Thnks in advance.