Revit Tutorial: Heroic Ladder 

In this tutorial, you’ll follow a 13-step program to create a HEROIC LADDER family in Revit.
Why is this ladder heroic? Because you can control the angle and clearance height with simple parameters.
Like all great HEROIC FAMILIES 🦸, the result is fun and simple for the end-user, but there is some careful, complex work behind the scenes.
To achieve this, you must use three key features of Revit families: reference lines, work plane-based families and trigonometry. Let’s go through all the steps.
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0:00 - Ladder demo
0:48 - HEROIC FAMILIES
1:20 - Key Principles of Ladder Family
1:43 - Model Straight Ladder
2:00 - Create nested family for ladder rungs
2:16 - Use the array tool
2:29 - Assign the array formula
3:02 - Set family to work plane-based
3:17 - Create a new generic model family
3:54 - Add a reference line
4:23 - Nest the Straight Ladder family
4:40 - Set work plane on ref. line
5:07 - Align and lock the ladder
5:27 - Associate length parameter
5:24 - TRIGONOMETRY!!
6:35 - Rename the parameters
6:50 - Associate other parameters, test family
7:25 - HEROIC FAMILIES