Best Free CAD Software of 2025

It is free software, and it is available for Linux/UNIX/Windows and Mac OS X. It is not as focused on 3D modelling (such like Blender), but rather on the CAD aspect. It might be the right application if you're looking to create 3D models from machine parts, but it is probably not the right one if you're more interested in creating computer-animated movies. OpenSCAD is not an interactive modeling tool. It is more like a 3D-compiler, which reads in a script and describes the object. The script file then renders the 3D model. This gives you (the designer), complete control over the modeling process. You can easily modify any step or create designs that are defined using configurable parameters.

SOLVESPACE is a GPLv3 parametric 3d CAD software. Modeling 3d parts, drawing with extrudes, revolves, helixes and Boolean (union/difference/intersection) operations. Drawing 2d parts: Draw the part as a single piece and export DXF or PDF. To verify fit, use 3d assembly. Export 3D-printed parts. Preparing CAM data: Export 2d vector art to a waterjet machine, laser cutter, or generate STEP and STL for import into third-party CAM Software for machining. To simulate spatial or planar linkages with pin, ball, and slide joints, you can use the constraint solver. Plane and solid geometry: Replace spreadsheets and hand-solved trigonometry with a live dimensioned draw. You can draw sections with lines, rectangles and datum lines. Sketch circles, arcs of circles, datum circles and cubic Bezier segments.

ALCAD 2D/3D offers the best AutoCAD Alternative. The same interface and functions as AutoCAD. This product includes only the CAD. ALCAD (alcads.com) ALCAD - the fully compatible DWG-CAD CAD Interface and functions same as AutoCAD. ALCAD 2025 Professional is available in two versions: an annual license for 199EUR, or a one-time permanent license for 349EUR.

Tinkercad is an easy-to-use, free app for 3D design and electronics. Teachers, students, hobbyists, and designers can all use it to create, design, and build anything. Tinkercad lesson plan templates are available online and in the classroom. Explore curriculum that was developed in partnership with teachers to meet standards such as Common Core, ISTE, and NGSS. Tinkercad is completely free and easy to use.

A platform that allows for CAD file versioning and differentiated data access as well as verified supplier catalogues, 3D models, and supporting documentation can be a helpful solution when organising collaborative engineering. Engineers and designers can access and update parts on the platform using computer-aided design software. The API of the engineering platform, which is accessible to all users allows them to create bespoke business solutions to automate processes and present data.

Only for component manufacturers. Built for power. MiTek®, Structure is a powerful tool for structural modeling, editing and estimating. The formula builder feature allows designers to create and store custom formulas, group them into sets, apply them to jobs or individual objects, and scheme them. Apply formulas to modeled objects to create estimates. You can create and customize plan options right from your job file. You can include all member types, including accessories and walls, in your options. Option customization allows you to use special junction considerations for site-specific creation. You can create a model of a unit and place it multiple time. You can place units once and then make changes to the original units.