Making sense of the Roblox studio primary part setting

Getting your models to move correctly usually starts with the roblox studio primary part setting. If you've ever tried to rotate a group of parts only to have them scatter everywhere like a dropped box of Legos, you know exactly why this tiny property matters so much. It's one of those things that seems small until your script breaks or your sliding door decides to fly into orbit instead of just opening. ...

February 11, 2026 · 6 min · Liisa Ch5