ODOP:SpringSpringDesignSoftware
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OwlCADSpare Matter Corp
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Related Products
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About
More than a Spring Calculator. ODOP:Spring is a spring design application of the problem-independent Open Design Optimization Platform (ODOP) software. It finds solutions for demanding spring application requirements in mechanical engineering and machine design. Most coil spring calculators require users to manually input values – such as wire diameter, coil diameter, free length and number of coils – and then repeatedly re-analyze until an acceptable solution is reached. ODOP’s ability to invert formula relationships removes that guesswork. Spring design equations are backsolved to meet constraints placed on the problem variables. Need to identify the lightest-possible material weight? Ensure a long spring life and low risk of failure? Our helical coil spring design software can find the constrained extreme of any variable, whether independent or dependent.
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About
OwlCAD is parametric 3D CAD that runs in your browser, built for designing parts to 3D print. It sits between beginner tools people outgrow and professional CAD that needs an install and a learning curve.
Every dimension stays editable: change a value and the model rebuilds. Booleans are manifold by construction, clearance presets size press, slip and loose fits for FDM, and a printability check flags overhangs, thin walls and leaks before export.
Includes constrained sketches, per-edge fillets and chamfers, patterns, sweep and loft, assemblies with mates and a bill of materials, and 30+ generators for gears, threads, enclosures, Gridfinity bins and hinges. Imports STL, 3MF, OBJ, STEP and OpenSCAD; exports STL, 3MF, OBJ, GLB, STEP, DXF and SVG.
AI generation turns a prompt into an editable model or a sculpted mesh. Also available as a desktop app and an MCP server for AI agents.
Nothing to install, no account needed to start.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
People looking for free and open-source software that backsolves constrained design problems for helical coil springs
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Audience
Makers, hobbyists and prosumers who 3D print functional parts (brackets, enclosures, adapters, printer upgrades, storage) and have outgrown beginner modeling tools. Small product design and prototyping teams that need print-ready parts without professional CAD licenses. K-12 schools and educators: classroom mode is free, with pseudonymous student accounts and teacher-only AI.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$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
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationSpringDesignSoftware
Founded: 2018
United States
www.springdesignsoftware.org
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Company InformationSpare Matter Corp
Founded: 2026
Canada
owlcad.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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CAD Features
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
Engineering Features
2D Drawing
3D Modeling
Chemical Engineering
Civil Engineering
Collaboration
Design Analysis
Design Export
Document Management
Electrical Engineering
Mechanical Engineering
Mechatronics
Presentation Tools
Structural Engineering
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CAD Features
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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Integrations
Bambu Studio
Claude
Claude Code
Claude Desktop
Cursor
DeepSeek
Gemini
Meshy
OpenAI
OpenRouter
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Integrations
Bambu Studio
Claude
Claude Code
Claude Desktop
Cursor
DeepSeek
Gemini
Meshy
OpenAI
OpenRouter
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