Engineering software for tolerance analysis and optimization.
TolBase empowers engineers to analyze variation in mechanical assemblies, evaluate tolerance schemes, and optimize designs for better performance — all in the browser, with no installation.
TolBaseTM
Precision tolerance analysis, simulation, and optimization for mechanical assemblies.
Analyze
Evaluate tolerance stacks and assembly variation before production.
Simulate
Understand the statistical behavior and thermal robustness of your designs.
Optimize
Find better tolerance allocations based on engineering requirements.
© 2026 TolBase — a trademarked product of RND NUCLEUS DOO
Platform Capabilities
- Tolerance Stack-Up Analysis (1D, 2D, 3D with asymmetric support)
- Risk Intelligence (Scrap probability, Pp/Ppk indices, failure fingerprinting)
- Thermal Analysis (Thermal Robustness Index, multi-scenario assessment)
- Smart Optimization (Automated tolerance scaling with ISO compliance)
- Reports & Export (Professional PDF, Excel, and JSON audit trails)
- Build multi variants solutions with Project Snapshots functionality.
Built for Engineering Teams
Mechanical Engineers
Fast analysis of complex assemblies and identification of critical dimensions.
Quality Teams
Scrap/PPM risk assessment, ISO standard compliance, and complete audit trails.
R&D Departments
Tolerance optimization before prototyping to reduce design iterations.
Automotive · Aerospace · Industrial Equipment · Medical Devices
Enterprise Solutions
Use TolBase as a cloud-based engineering platform.
Need on-site deployment, integration with your existing environment, or a custom engineering software solution?
About RND NUCLEUS
RND NUCLEUS DOO develops engineering, scientific, orchestration software for organizations working with complex systems. Our focus is on turning advanced engineering and organizational methods and computational models into practical, reliable software tools.
Engineering · Software · Computational Methods