1. 3DM Import for Acrobat
This plugin is same as we mentioned in the above 3DM Import for AutoCAD article. Just replace AutoCAD with Acrobat.
2. 3DM Import for AutoCAD
3DM Import is a plugin for AutoCAD users which will allow them to view and edit 3dm files in AutoCAD User interface intuitively. The plugin can be easily downloaded and installed from the AutoCAD website or even from within the software. It is very small in size and you just have to wait for some seconds for it to be installed and you can start working on your 3DM model. Search it on google for easy navigation.
3. 3DM Import for Key Creator
This plugin is same as we mentioned in the above 3DM Import for AutoCAD article. Just replace AutoCAD with Key Creator.
Rhino is a 3D modelling software which gives you freedom of editing and modelling a 3D Image as much as your hardware can support. The software is loaded with features, and if your hardware can support it to the end, it can let you render models of very high sizes and layers. The software is professionally used in the industry, and it has a specific file extension type called .3dm. This file type consists of all the data you worked on in this software and is a high category file format type specific to this software only. It is available for 90 days in the free version and needs to be purchased afterwards.
5. 3D Tool Viewer
3D Tool Viewer is a software for viewing various type of 3D model files. The file format library which this software supports is very vast, and with the premium version, you can convert and inverse convert almost any of the 3D file format in it. The software comes in a 14-day free trial version with many basic 3D file formats supported and must be purchased for full support and later use. Other than converting, this software also provides you with basic editing functions for your 3D and 2D model. You can download the trial version from the given link.