If you haven't used the recombinator in settlers league yet or not fully sure of how it works this is the perfect video for you. Also, the end of the video has some strategies I used to get really rare stats quickly and cheaply onto items.

OG 3.25 Recombination Guide:   / 325_updated_guide_to_recombinators  

Chapters:
0:00 - Intro
0:21 - What is Recombinator
1:20 - Non-native, natural Modifiers
2:05 - Exclusive Modifiers
4:43 - How to Use Exclusive Modifiers
7:43 - 5 Mod Item Blueprint
9:37 - Use Correct Level Gear
10:19 - Final Item Item Level Doesn't Matter*
10:45 - Get Veil Mods to Craft Onto Gear
11:40 - Max Out Your Recombinator
11:52 - Crafting Example Step 1
14:47 - Crafting Example Step 2
18:02 - Crafting Example Step 3
22:45 - Adv Tip - Divine
23:16 - Adv Tip - Getting Rare Stats Isolated
25:38 - Adv Tip - Step 1 with Rare Items
27:24 - Adv Tip - Buying Rare Stats
28:50 - Adv Tip - Move Rare Stats Onto Desired Base
30:29 - Shameless Mirror Service Offer