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What is SolveSpace?

SOLVESPACE is a parametric 3D CAD software that is open-source and distributed under the GPLv3 license, enabling users to create 3D components and drawings through a variety of functions, including extrusions, revolutions, and Boolean operations such as union, difference, and intersection. Additionally, it facilitates 2D part modeling by allowing users to sketch a section and export it in formats like DXF, PDF, and SVG, while its 3D assembly function is helpful for assessing how components fit together. For enthusiasts of 3D printing, it provides the ability to export parts in STL and other mesh formats, ensuring compatibility with most 3D printers. Furthermore, SOLVESPACE supports the generation of CAM data, allowing users to export 2D vector art suitable for use with waterjet machines or laser cutters, as well as creating STEP and STL files for seamless integration with third-party CAM software for machining tasks. The software is especially advantageous for mechanism design, leveraging a constraint solver to simulate both planar and spatial linkages, accommodating a range of joint types such as pin, ball, and slide joints. Instead of depending on conventional trigonometry and spreadsheets, users can engage with live-dimensioned drawings that simplify the handling of plane and solid geometry, and they can sketch sections using various shapes like lines, rectangles, datum lines, points, circles, arcs, cubic Bezier segments, and more advanced C2 interpolating splines. This all-encompassing approach not only fosters creativity and productivity in the design workflow but also positions SOLVESPACE as an indispensable tool for both engineers and designers, enhancing their ability to innovate and realize complex projects effectively. Ultimately, its versatility and user-friendly interface make it an ideal choice for a wide range of design applications.

What is OwlCAD?

OwlCAD gives makers, prototyping teams and schools a parametric CAD workspace that lives in the browser and is built around one goal: parts that are ready to print. Models are parameter-driven, so any dimension can be changed later and the geometry regenerates. Output is print-ready: Boolean results stay manifold, tolerance presets handle press, slip and loose fits, and a printability review catches overhangs, thin walls and non-watertight shapes ahead of export. Hollowing, lay-flat and material weight and cost estimates round it out. Modeling tools include sketching with constraints, edge-level fillets and chamfers, loft, sweep, patterns and datum planes, along with assemblies that support mates, an exploded view and a bill of materials. Over 30 generators produce gears, threaded parts, enclosures, bearings, hinges and Gridfinity bins. Files can be opened from STEP, OpenSCAD, STL, 3MF and OBJ, and saved to STEP, DXF, SVG, GLB, STL, 3MF and OBJ. Work is protected by local-first autosave plus cloud projects with version history and sharing. Designers can publish customizable models with adjustable parameters for others to tailor and download, and every plan, Free included, carries full commercial rights. The Free plan covers the entire editor, import, export and the customizer, with no time limit. Pro adds AI generation of editable parametric parts or sculpted meshes across several models, AI-assisted modifications, a monthly credit allowance, bring-your-own-key support, and MCP access for AI agents such as Claude Code, Claude Desktop and Cursor. For education, classroom mode is free for K-12, with pseudonymous student accounts and AI limited to teachers. The interface is available in English, Spanish, German and French, and a desktop edition is offered alongside the web app. No installation, and no account required to get started.

Media

Media

Integrations Supported

Bambu Studio
Claude
Claude Code
Claude Desktop
Cursor
DeepSeek
Gemini
Meshy
OpenAI
OpenRouter
OpenRouter Model Fusion
PrusaSlicer
Tripo AI
Ultimaker Cura

Integrations Supported

Bambu Studio
Claude
Claude Code
Claude Desktop
Cursor
DeepSeek
Gemini
Meshy
OpenAI
OpenRouter
OpenRouter Model Fusion
PrusaSlicer
Tripo AI
Ultimaker Cura

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$12.00/month
OwlCAD is free to use. The Free plan has no time limit and includes the full parametric editor, import and export in every supported format, the customizer, cloud projects with version history and sharing, and the printability tools. You keep full commercial rights to anything you design, on every plan.

Pro is $12 per month, or $120 per year (two months free). It adds AI generation across several models, Modify-with-AI, AI-assisted customizing, and MCP access for AI agents. Pro includes 20 AI credits a month, which reset monthly. Light parametric generations cost one credit, and detailed mesh models cost a few. One-time credit top-up packs never expire. Pro users can also bring their own AI provider key and generate without spending credits. Payments are handled by Stripe, and you can cancel anytime with no contract.

Classroom features for K-12 schools are free. Districts can add a pooled AI credit budget for teachers; contact OwlCAD for details.
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

SolveSpace

Date Founded

2008

Company Location

United States

Company Website

solvespace.com/index.pl

Company Facts

Organization Name

Spare Matter Corp

Date Founded

2026

Company Location

Canada

Company Website

owlcad.com

Categories and Features

CAD

2 1/2-Axis Milling
2D Drawing
3-Axis Milling
3D Modeling
4-Axis Milling
5-Axis Milling
Civil
Collaboration
Database Connectivity
Design Analysis
Design Export
Document Management
Electrical
Hole Making
Mechanical
Mechatronics
Presentation Tools
Simulate Cycles
Spiral Output
Structural Engineering
Toolpath Simulation
User Defined Cycles

Categories and Features

CAD

2 1/2-Axis Milling
2D Drawing
3-Axis Milling
3D Modeling
4-Axis Milling
5-Axis Milling
Civil
Collaboration
Database Connectivity
Design Analysis
Design Export
Document Management
Electrical
Hole Making
Mechanical
Mechatronics
Presentation Tools
Simulate Cycles
Spiral Output
Structural Engineering
Toolpath Simulation
User Defined Cycles

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