Here is the full list of all 11 Assembly Planter achievements.
Have 10000 gold ingots.
Reach a max stack size of 100000.
Craft a time machine.
Craft a golden hammer.
Shrink your first machine.
Make an automation crafting table.
Unlock the shrinker.
Craft an iron blade.
Expand your land.
Plant your first seed.
Open the manual.