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Curated by: Archi Vlogs (571 videos)
In this Revit tutorial, I’ll show you how to use IF statements and formulas inside a Revit family to dynamically control the number of chairs based on table size. This is a highly requested topic from the community, and we’ll cover how to apply logical conditions to arrays, step-by-step. 🧠 What You'll Learn: How to create parametric arrays using IF statements Revit family formula syntax and nesting Visualizing logical conditions inside furniture families Tips to avoid common mistakes in Revit formulas 🔔 Subscribe for more BIM and Revit content every week! 00:00 - Intro and video context 00:34 - Real-world question: controlling chairs by table size 01:17 - Like & Subscribe appeal 01:50 - Table and chair family overview 02:50 - Array limitations in Revit 2023-2024 03:57 - Goal: controlling chairs using table size 04:40 - Array types: First-Last spacing explained 06:00 - Building the IF statement 07:00 - Writing the basic IF formula in Revit 08:05 - Testing the formula in the family 08:40 - Adding multiple IF statements 10:00 - Common formula mistakes & debugging 12:00 - Rearranging the logic (High to Low order) 13:10 - Adding another condition: 5 chairs if width 2500 #revittutorials #architecture #studentofarchitecture #learnrevit #learnarchitecture #parametricfamilies