There are a lot of tutorials and how to's about the Last Line of Defense to protect your yard. The most common mistake of designers is that they tend to forget how important the "First Line of Defense" is.
Did you know that if you have a First Line of Defense:
1. It will give you more protection for your core.
2. It will trigger DP faster while keeping your core intact or barely damaged.
What do we need to know?
-HP of Buildings
-NEC "Never Ending Chain" = Defense against anything monsters
-NECoRG "Never Ending Chain of Resource Gatherers" = Defense against Resource monsters
-NECoT "Never Ending Chain of Towers" = Defense against Tower Monsters
-NECoB "Never Ending Chain of Blocks" = Defense against Wormzers, Valgos and King Wormzers the monsters who avoid/chew blocks and has burrowing abilities.
-Anti-Fling = Often forgotten and some says that there's no need for it.
Anti-Fling using CC or Housing as measurements.
Anti-Fling using 4 RGs as measurements.
Anti-Fling using TH as measurement.
Note: Let's call NEC/NECoRG/NECoT/NECoB = DNEC "Defensive NEC"
How does it work?
1. Prepare anti flings using 60 blocks
2. Use TH or smaller anti fling to produce NECoB (add blocks if you have extra")
3. After you have finished your NECoB use CC/Housing as your measurement to provide distance from DNEC to your Core.
-Anti Tera or simply preventing monster to attack your Core prematurely.
Sample designs that I made for referrence
-Red Box represents the area for the Core
-Sample DNEC
-Sample DNEC in addition I used the concept of the Titanium Circle's anti zaf.
Proof of Effectiveness
If you have any questions, feel free to ask in the comments and it will be answered ASAP.