Modeling Architectural Elements

from Point Clouds in SketchUp with UNDET Tools

Modeling Architectural Elements from Point Clouds in SketchUp with UNDET Tools


In the fields of architecture and construction, 3D measurements and point cloud data have been major breakthroughs. Using this technology, professionals are now able to capture and work with high-precision spatial information, creating more detailed and accurate representations of buildings and objects.

This level of detail is essential for making informed decisions at the project design stage, because it allows for appropriate early decisions and prevents potential errors or issues. Ultimately leading to better outcomes in renovation and refurbishment projects.

In this article, we will share tutorials that demonstrate how quickly and easily you can model the most common architectural elements based on a point cloud to SketchUp using UNDET.


Point Cloud-Based Detailed Window Modeling

This tutorial video demonstrates how to model a window in SketchUp using point cloud data. The video covers the entire workflow, from opening the point cloud project and isolating the window area to defining axes and creating accurate profiles for the window frame. Concluding with a model inspection to ensure that the window fits perfectly within the point cloud data.


Staircase Modeling Using Point Cloud Data

This video focuses on modeling stairs in SketchUp using point cloud data. It begins with identifying the location of the stairs within the point cloud data and then clipping a box around them for modeling. The process involves creating a plane to represent the stairs’ position, drawing profiles for each step, and extruding them accordingly.

The tutorial emphasizes aligning axes correctly and ensuring precision throughout the modeling process. It also demonstrates techniques for modeling the walls and extending the stairs to fit within the point cloud data accurately. As in the last video, it finishes by showing how to use the model inspection tool to check whether the stairs match the point cloud data.


Door Sweeps and Architectural Profiles Modeling Using Point Cloud Slices

This tutorial delves into modeling the lower part of a building, specifically door surrounds and profiles. The process begins with identifying the profile around the door and creating a plane to replicate it. Arched lines are drawn to define the profile, which are then copied and mirrored to complete the 3D model. Additionally, this video also covers creating smaller profiles and ensuring they fit within the point cloud data.


Advanced Balcony Modeling based on Point Clouds

This last video guide focuses on modeling detailed building balconies. The steps include adjusting the clipping box, making horizontal and vertical slices, and creating profiles based on point cloud slices. The drawn profiles can then be rotated and moved into position and the follow-me tool used to create the desired shapes.

The tutorial emphasizes simplification, focusing on overall shape rather than intricate details. At the end of the video, the process is repeated in the lower part of the building, including drawing profiles and shaping geometry.

UNDET’s plugin facilitates the integration of point clouds to SketchUp, revolutionising architectural modeling. These tutorials showcase the power and efficiency of using this software combination to create detailed and accurate 3D models of real-world structures for professionals.

Software used in the video content:

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Undet works with SketchUp Pro (Windows only).