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3D CAD Software with API (2026) - Page 3

Last updated: April 2026

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71 software options

DesignSpark Mechanical logo

Design and make things in 3D like never before.

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DesignSpark Mechanical is a free mechanical CAD software for Microsoft Windows, which enables users to rapidly prototype or reverse engineer any physical object. Using the direct modelling approach, it allows for unlimited and frequent design changes using an intuitive set of tools.

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Tekla Structures logo

3D CAD software for construction businesses

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Tekla Structures is a CAD solution for construction businesses that combines BIM intelligence with precise modeling. Teams can create detailed 3D models and automated drawings for steel, concrete, and timber. The system produces detailed, information-rich 3D models for collaboration across teams.

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Slic3r logo

On-premise and open-source 3D printing tool

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Slic3r is an on-premise and open-source 3D printing tool, which helps designers convert 3D models into G-code, manage configurations, print colored objects, and more whilst supporting multiple layers with different parameters. It enables users to rotate, or arrange objects on drag-and-drop interface

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FreeCAD logo

On-premise and open-source paramedic 3D modeler

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FreeCAD is an on-premise open-source paramedic 3D modeler, which helps businesses design objects of all sizes. Programmers can sketch constrained 2D shapes and utilize them as a base to create other objects. It supports several file formats such as IGES, SVG, DXF, DE, IFC, STL, STEP, OBJ, and more.

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Sage Construction Suite logo

Sage for Construction, trust & innovation for over 50 years.

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Sage Construction Suite serves the entire construction industry with our end-to-end suite of cloud construction software. Sage's all encompassing Construction Suite helps all phases from preconstruction to finance to operations and everything in between.

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Zea Engine logo

Open-Source Developer's Toolbox for 3D CAD Visualization

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The ultimate open-source developer's toolbox for 3D CAD visualization on the web.

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TestFit logo

Set Your Sites on Better Feasibility

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TestFit's real estate feasibility platform makes it easy to do site planning. Our real-time AI configurators allow for rapid iterations to get deals done quickly.

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MapleSim logo

Desktop-based virtual machine tool for STEM professionals

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MapleSim offers engineers, researchers, and educators the tools to advance physical modeling and simulation and reduce development time. Key features include 3D design & modeling, 3D imaging, dynamic & mathematical modeling, continuous modeling, drag & drop, and presentation & collaboration tools.

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Cupix logo

Build Smart.

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Cupix is a trusted partner of choice for delivering the industry’s most flexible and easiest-to-deploy 3D digital twin platform to builders and owners everywhere. Our solution enables clients to collaborate on designs, identify risks, reduce costs, unlock value, and save time.

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Solargraf logo

Solar proposal design, financing, and permit management

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Discover the all-in-one solution for solar and storage, featuring 3D design and proposal tools with Solargraf. Solargraf has developed a range of features created to assist in designing and quoting both residential and commercial systems.

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VizTerra logo

Cloud-based 3D landscape design software

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VizTerra is a cloud-based 3D landscape design software, which helps architects create and transform 2D drawings into 3D and share interactive presentations with clients. The application enables professionals to design outdoor living spaces using a drag-and-drop 3D library.

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EngView Package & Display Designer Suite logo
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Packaging design and production software

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EngView Packaging Suite is a CAD/CAM solution for structural design and production of boxes and POP/POS displays from folding carton, corrugated and rigid board. The software integrates directly with Adobe Illustrator, allowing graphic and structural designers to collaborate on a unified platform while offering realistic 3D visualization capabilities.

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VEERUM logo
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Web-based 3D visual solution

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VEERUM's industrial digital twin combines all CAD, geospatial, document management, IoT, and operational systems into a single, 3D visual, web-based interface for energy, mining, and utilities providing clients with significant cost and time savings for complex physical asset operations and maintenance.

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CR-8000 Design Force logo
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Engineering CAD software

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CR-8000 Design Force is a PCB and IC package design software that provides engineers, architects, and designers with tools to create 2D and 3D designs. It includes 3D multi-board Analysis and MCAD integration and offers features for system-level circuit engineering. The software supports requirements for high-speed design, signal and power integrity, thermal analysis, and MCAD collaboration.

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Infurnia logo
(0)

Modern Architecture & Interior Design Software

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Infurnia is an architecture design software that helps designers create detailed 2D and 3D plans. The platform enables administrators to build customizable floor plans and elevation designs.

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Trendspek logo
(0)

Asset inspection lifecycle management

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Trendspek is a Structural Lifecycle Management System that converts field inspections into structured digital records for asset condition assessment and risk management. The platform features three-dimensional asset visualization, standardized defect classification templates, and remote review capabilities that allow engineers to analyze evidence without site visits. It includes integration options with existing systems and AI-supported defect detection functionality.

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Vip3D logo
(0)

3D CAD software

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Vip3D is a 3D CAD solution that helps businesses create, conceptualize, and present outdoor living designs. The platform provides an end-to-end 3D design experience, allowing designers to visualize the entire outdoor space in detail.

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RapidCompact logo
(0)

RapidCompact helps users reduce 3D models

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Users can access RapidCompact to optimize 3D models for various applications by reducing the amount of detail on a web browser. It allows users to upload websites on the platform and render them in virtual reality environments.

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RIB Connex logo
(0)

Cloud-based construction management tool for teams.

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Connex Construction Cloud is a construction management platform that helps small to large businesses streamline workflow configuration, project tracking, building information management (BIM), and more. The solution allows construction businesses to connect data, workflows, and teams from the initial stages of a project until it is complete.

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CAD Exchanger logo
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3D CAD software to view and convert CAD files

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CAD Exchanger 3D CAD software to view and convert CAD files. It allows users to read and write Solidworks, STEP, JT, STL and 30 other 3D formats; access assemblies, parts, B-Reps, polygonal meshes, meta-data, and PMI; use sectioning, explode views, and multiple display modes; and view, explore and convert 3D CAD data on desktop, web and mobile.
Applications for end-users. SDK's and tools for software developers. Custom development services for businesses.

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RWIND 2 logo
(0)

Wind simulations for structural analysis

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RWIND 2 is a stand-alone program for the numerical simulation of wind flows. It uses a digital wind tunnel to simulate wind flows around any building geometry and determine the wind loads on surfaces. The program allows for calculation of stationary and transient turbulent wind flows. It can be used on its own or together with RFEM and RSTAB for complete structural analysis and design.

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