If you are having trouble using this table. Here is a short and sweet read.
If it is a spoiler sorry about that I hate convolution and obfuscation, the quest lines don’t connect linear like.
This answer is adding to the stitching table on wowhead. https://www.wowhead.com/npc=167042/abominable-stitching-table#add-your-comment
Easy reading version below.
-I have had to complete the following quests to get access:
— [Abominable Stitching and Me.] https://www.wowhead.com/quest=63058/abominable-stitching-and-me
— [Welcome To Our House] https://www.wowhead.com/quest=59556/welcome-to-our-house
— [Rebellious Souls] https://www.wowhead.com/quest=58665/rebellious-souls
— [Find The Way] https://www.wowhead.com/quest=58668/find-the-way (I think this is wear the linear progression breaks in game. In other words you would have to know the below or stumble on it.)
— [ Loose Threads] https://www.wowhead.com/quest=58680/loose-threads
— [ Skin in the Game] https://www.wowhead.com/quest=58677/skin-in-the-game
— [Weapon-of-mass-construction] https://www.wowhead.com/quest=58686/weapon-of-mass-construction
— [ A Good Heart] https://www.wowhead.com/quest=59042/a-good-heart
— [ The Slaughter ] https://www.wowhead.com/quest=58670/the-slaughter-daughter
— [Bottled Up Inside] https://www.wowhead.com/quest=58671/bottled-up-inside
— [A Place To Call Home] https://www.wowhead.com/quest=58727/a-place-to-call-home
— [Build-A-Bomination] https://www.wowhead.com/quest=60041/build-a-bomination#
-I have completed: (Via Arcadia Moa, “< sanctum upgrades >” )
– Abomination factory
---- Build a buddy
---- Crafting limbs <—Not sure this is required.
– Anima Conductor
---- Flowing tendrils
---- Streaming threads <–Not sure this is required.