The best Interior Design alternative to Autodesk AutoCAD is FreeCAD, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Autodesk AutoCAD and nine of them are Interior Design Apps so hopefully you can find a suitable replacement. Other interesting Interior Design App alternatives to Autodesk AutoCAD are LibreCAD, SketchUp, ArchiCAD and Rayon Design.
A powerful open-source parametric 3D modeler ideal for mechanical engineering, supporting Python scripting, running on Windows, Linux, and Mac, with modular architecture allowing extensive adaptability and use with scientific computing libraries.
LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.
Comprehensive 3D modeling software ideal for architecture, engineering, film, and gaming. It includes features like easy-to-use interface, sun and shadow analysis, color experimenting, and mock-up creation. Available in freeware and professional versions for diverse needs.
ArchiCAD offers computer aided solutions for handling all common aspects of aesthetics and engineering during the whole design process of the built environment — buildings, interiors, urban areas, etc.
Rayon is a web-based collaborative architectural design tool. It supports various file formats, including PDF, CAD documents, and image files, allowing for diverse uses like image-based surface styling.
The professional furnishing 2D-/3D-tool for everybody: The pCon.planner is a cost-free application allowing you to comfortably and professionally create complex furnishing concepts and to visualize them in a photo-realistic quality. File Formats: dwg, dxf, 3ds, skp, ... Language.
3D House Planner is the professional home design web application that allows you to design houses and apartments. No installation required. It is accessible through your browser. 3D House Planner is absolutely free for all.
Interior Design 3D is intuitive software for 3D home design and floor plan creation. It offers 600+ decor materials and furniture items, smart building tools and 3D virtual tours to walk through your future house or apartment.
DDL (Digital Dry Layout) is the all-in-one platform built specifically for the natural stone industry. It covers the entire business cycle — from project planning and digital vein matching to warehouse management, sales, CRM, and online distribution.
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I use Freecad to design my 3D printing models.