3D CAD Software for AEC, Engineering & 3D Modeling

3D CAD Software for AEC, Engineering & 3D Modeling

Modern CAD is not just about drawing lines and dimensions. Architects, engineers and designers increasingly need to create 3D models, develop building elements, edit designs and visualize their work in the same environment.

ACTCAD 2027 Premium brings together AEC tools, 3D solid modeling, surface and mesh modeling, and visualization in a familiar CAD environment. ACTCAD positions Premium for architects, civil engineers, contractors, mechanical engineers, product designers and other professional CAD users.

What Is 3D CAD Software?

3D CAD software is computer-aided design software used to create, modify, visualize and document three-dimensional digital models. Unlike traditional 2D CAD, 3D CAD allows designers and engineers to work with three-dimensional solids, surfaces, meshes and building elements.

3D CAD software is commonly used in architecture, construction, mechanical engineering, product design, manufacturing and other professional design workflows.

What Is 3D CAD Software Used For?

3D CAD software helps professionals create, edit, visualize and document three-dimensional designs. Common applications include:

• Architectural and AEC design
• 3D building models
• Mechanical components and machine parts
• Product and industrial design
• 3D engineering models
• Surface and mesh modeling
• Design visualization and rendering
• Developing 3D models from existing 2D drawings
• Preparing technical drawings and design documentation

2D CAD vs 3D CAD

2D CAD and 3D CAD serve different design requirements. 2D CAD is commonly used for drafting, plans, elevations and technical documentation, while 3D CAD provides a three-dimensional environment for creating and modifying models.

Types of 3D CAD Modeling

Different 3D CAD workflows use different modeling approaches depending on the type of design and the required result.

3D Solid Modeling

Solid modeling is used to create complete three-dimensional objects. It is particularly useful for mechanical components, machine parts, equipment and general engineering models.

Surface Modeling

Surface modeling allows designers to work with individual surfaces and more complex forms where a complete solid may not be required.

Mesh Modeling

Mesh modeling works with polygon-based geometry and provides another approach for creating and editing three-dimensional designs.

Parametric and Direct Modeling

CAD applications may also provide parametric or direct modeling workflows. The appropriate approach depends on the project, design requirements and editing workflow.

AEC Design for Architecture & Construction

For architects and construction professionals, creating a building model often starts with basic elements such as walls, doors, windows and floors. ACTCAD Premium provides an AEC environment designed to make these tasks easier.

It includes tools for:

• Walls
• Doors
• Windows
• Stairs
• Railings
• Spaces
• Roofs
• Slabs
• Levels
• Sections
• Elevations

Instead of building every element from individual lines and shapes, users can work with dedicated AEC objects designed for architectural and construction workflows. ACTCAD also provides an AEC Style Manager for creating, editing and managing AEC styles.

From 2D Drawings to 3D Building Elements

One useful part of the ACTCAD workflow is the ability to move from 2D drafting toward 3D building elements.

For example, 2D geometry such as lines can be converted into 3D elements such as walls with a single click. This can help reduce repetitive modeling work when developing an existing 2D drawing into a 3D design.

3D Solid Modeling with ACTCAD

Beyond AEC design, ACTCAD Premium provides full 3D solid modeling capabilities.

Users can create basic 3D solids such as:

• Box
• Wedge
• Pyramid
• Cone
• Cylinder
• Sphere
• Torus

These basic forms can then be developed into more complex models using tools such as:

• Extrude
• Revolve
• Loft
• Sweep
• Slice

This makes ACTCAD suitable for creating everything from simple components to more detailed engineering models. ACTCAD describes Premium as providing full 3D modeling capabilities rather than only 3D model viewing.

Edit and Refine 3D Solids

Creating a 3D model is only the beginning. Design changes are a normal part of engineering and modeling.

ACTCAD provides dedicated solid editing tools for modifying faces, edges and complete solids.

These tools are useful for mechanical components, machine parts, equipment and general 3D engineering models.

Surface and Mesh Modeling

Not every 3D design needs to be created as a solid. ACTCAD also supports surface and mesh modeling, providing additional flexibility for different types of 3D geometry.

Surface Modeling

• Planar
• Revolve
• Extrude
• Loft
• Sweep

Mesh Modeling

• Box
• Wedge
• Pyramid
• Cone
• Cylinder
• Sphere
• Torus
• Polyface Mesh

Visualize Your 3D Designs

A 3D model is much more useful when you can clearly see and present it. ACTCAD Premium provides visualization and rendering tools including:

• Materials
• Lighting
• Cameras
• Rendering
• Visual Styles
• 3D Walk
• Fly Mode
• Section Planes

Premium also includes a photo-realistic 3D rendering module with raytracing capabilities.

These features can help designers review their models, explore different views and present designs more effectively.

3D CAD Software for Different Professionals

ACTCAD's combination of AEC and general 3D modeling makes it useful across different design disciplines.

Architects

Create and work with:

• Walls
• Doors
• Windows
• Roofs
• Slabs
• Stairs
• Spaces

Civil & Construction Professionals

Work with:

• AEC elements
• 3D building models
• Sections
• Elevations

Mechanical Engineers

Create and modify:

• 3D solids
• Machine components
• Mechanical parts
• Equipment

Designers

Develop and visualize:

• Solids
• Surfaces
• Meshes
• 3D concepts

3D CAD + AEC in One Familiar Workflow

A practical 3D CAD workflow can be simple:

Draft → Model → Edit → Visualize → Document

Start with 2D geometry or create a model from scratch. Then create 3D solids or AEC elements, refine the geometry, visualize the design and prepare the required drawings.

ACTCAD Premium brings these capabilities together in one CAD-focused environment.

3D CAD File Formats: STEP, IGES, STL, OBJ, IFC and RVT

3D projects often involve different CAD and BIM applications. ACTCAD Premium supports a range of commonly used formats, including STEP, IGES, STL, OBJ, IFC and RVT.

File compatibility is a large topic on its own. In our next article, we will cover ACTCAD's CAD, 3D and BIM file-format support, import/export capabilities and conversion workflows in detail.

How to Choose the Right 3D CAD Software

The right 3D CAD software depends on your design requirements, industry, modeling workflow, file formats and project needs. Before choosing a solution, consider:

• 2D drafting and 3D modeling capabilities
• 3D solid modeling
• Surface modeling
• Mesh modeling
• AEC and architectural tools
• Visualization and rendering
• CAD file compatibility
• Import and export requirements
• Licensing options
• Technical support
• Software updates
• Availability of a trial version

3D CAD Software in India

For professionals and organizations in India, selecting 3D CAD software can involve more than comparing modeling features. Licensing, pricing, technical support, software availability and the requirements of engineering and design teams can also be important considerations.

ACTCAD is positioned as an India-focused CAD software option for architects, engineers, designers, contractors and other professional CAD users.

Learn more about Indian CAD software and ACTCAD's positioning for users in India.

Why Consider ACTCAD for 3D CAD?

ACTCAD 2027 Premium brings together the key capabilities many design professionals need:

Frequently Asked Questions About 3D CAD Software

What is 3D CAD software?

3D CAD software is used to create, edit, visualize and document three-dimensional digital designs and models.

What is 3D CAD used for?

3D CAD is used for architecture, AEC design, mechanical engineering, product design, equipment, 3D modeling and visualization.

What is the difference between 2D CAD and 3D CAD?

2D CAD focuses primarily on flat drawings and drafting, while 3D CAD allows users to create and edit three-dimensional models, solids, surfaces and other 3D geometry.

What is 3D solid modeling?

3D solid modeling is a CAD approach used to create complete three-dimensional solid objects. It can be used for mechanical components, machine parts, equipment and engineering models.

Can ACTCAD create 3D models?

Yes. ACTCAD Premium provides 3D solid modeling as well as surface and mesh modeling capabilities.

Can ACTCAD be used for architectural 3D design?

ACTCAD Premium includes AEC tools for elements such as walls, doors, windows, stairs, railings, roofs, slabs, levels, sections and elevations.

Can ACTCAD be used for mechanical engineering?

ACTCAD Premium provides 3D solid modeling and editing tools that can be used for mechanical components, machine parts, equipment and general 3D engineering models.

Does ACTCAD support STEP, IGES, STL, OBJ, IFC and RVT?

The ACTCAD Premium information covered in this article lists STEP, IGES, STL, OBJ, IFC and RVT among the supported formats. Refer to current ACTCAD documentation for the exact import and export capability for each format.

Final Thoughts

3D CAD software has become an important part of modern architecture, engineering and design. The right solution should do more than create a 3D object. It should help you build, edit, visualize and document your designs.

ACTCAD 2027 Premium combines AEC design and 3D solid modeling with surface, mesh and visualization capabilities, giving architects, engineers and designers a practical environment for working from 2D drawings to 3D designs.

Whether you are creating a building model, mechanical component or general 3D design, ACTCAD provides the tools to take your ideas from drawing to model.