List of the Top 2 3D Viewers with a Free Trial in 2026

ABViewer is a multifunctional software designed for personal computers that simplifies the management of drawings. It empowers users to view, edit, convert, measure, and print an array of CAD files, such as DWG formats, alongside 3D models and raster images. Users can opt to focus on a particular drawing section or handle numerous files at once, all while enjoying a budget-friendly price. The application supports both individual and bulk file conversions, providing a wide range of export choices, including black-and-white output and customizable file dimensions. The 3D section panel is equipped with features that allow for adjustments to the visual representation of 3D models and section planes, which can be accessed in the 3D Viewer mode. Furthermore, users can tailor their 3D model viewing experience using various commands and features found within the 3D Section panel. The interface's settings at the top make it easy to show different model components, enabling users to create multiple planes simultaneously. In addition, ABViewer significantly boosts productivity by simplifying the handling of intricate drawing projects while ensuring that users have all the necessary tools at their fingertips. With its user-friendly design and robust functionality, it stands out as a valuable asset for professionals in the field.

Open CascadeCAD Assistant serves as an offline 3D CAD viewer and converter, featuring a user-friendly interface that is available for free for both personal and commercial purposes. Initially designed to demonstrate the capabilities of Open CASCADE Technology on mobile devices, it has garnered a substantial user base across desktops and mobile platforms globally, proving to be a quick and efficient 3D visualization tool. This application empowers engineers working with 3D data by leveraging open technologies, maximizing accessibility and functionality. Built on open-source libraries such as Open CASCADE Technology, Qt, FreeType, and FreeImage, it supports a wide array of open formats for CAD and mesh data, including STEP, IFC, IGES, BREP, glTF, JT, PLY, STL, OBJ, and 3DM. In addition to these capabilities, it can handle various other file types like DXF and SAT (ACIS), as well as XT (Parasolid). Moreover, CAD Assistant provides additional features that allow users to view mesh models along with their corresponding data, making it versatile for different use cases. With the ability to import and display files in PLY format, users can easily visualize mesh structures.