Developer: Vali Architects Category: Architecture / Modeling Productivity Current Status: Commercial (Paid)
What it does: Instant Stair is a productivity plugin designed to automate the creation of stairs. Instead of manually drawing rise and run lines, extruding treads, and calculating angles, this plugin allows you to draw a simple line or curve and instantly convert it into a detailed staircase.
Key Features:
Vali Architects offers two versions:
You can download the free version directly from the official source: instant stair plugin sketchup free download
Step 1: Go to a Trusted Source Do not download from random "free plugins 4 u" websites. The only safe repositories for SketchUp extensions are:
Step 2: Search for "Instant Stair Free"
On SketchUcation, look for the thread titled "Instant Stair - Free Legacy Version." The file is usually named instant_stair_v1.2.rbz. Vali Architects offers two versions:
Step 3: Verify the File Type
Ensure the file extension is .rbz. If it is .exe, .dmg, or .zip containing an installer, delete it immediately—that is malware.
Step 4: Install via Extension Manager