Here are a few possible interpretations of what you might be asking:
This is the most critical point. After SketchUp Pro 2018, Trimble moved fully to a subscription-only model (annual fee). However, SketchUp Pro 2018 was the final version available for purchase as a perpetual license. sketchup pro 2018
Scaled Vector Drawing in LayOut: This feature allows for drawing 2D linework to a specific scale within LayOut, which can then be overlaid onto your 3D model viewports. Here are a few possible interpretations of what
SketchUp Pro 2018 remains a significant milestone in the software’s history, marking the moment it transitioned into a more mature, BIM-friendly ecosystem. While newer versions have since introduced subscription models and cloud-based features, the 2018 edition is often remembered as one of the strongest desktop releases due to its stability and the introduction of "smart" modeling features. Key Features of SketchUp Pro 2018 Perpetual License: Pay once, own it forever
SketchUp Pro 2018 Pricing and Availability: SketchUp Pro 2018 is available as a subscription-based service or a one-time purchase. You can check the official SketchUp website for pricing and purchasing options.
What's New in SketchUp Pro 2018: