Open-source engineering tools

Engineering tools
that help you ship

This is what happens when a thoughtful mechanical engineer gets hands-on with AI.

""
0+Expert-tuned print parameters
0Monte Carlo iterations per run
0+Machinist-grade DFM rules
Print Advisor logo

Print Advisor

Expert 3D Print Settings

Describe what you're building and get optimal slicer settings for Bambu Lab printers — material selection, support strategies, nozzle sizing, and 50+ expert-tuned parameters exported as ready-to-import JSON.

AI material recommenderOne-click .json export50+ tuned parameters
printadvisor.ai
Tolerance Analysis logo

Tolerance Analysis

Stack-Up Analysis Calculator

Full-featured tolerance stack-up tool with worst-case, RSS, and 1M-iteration Monte Carlo simulation. Includes sensitivity analysis, tolerance allocation, GD&T support, and PDF/XLSX export.

Monte Carlo (1M iterations)Sensitivity & allocationPDF & XLSX reports
tolanalysis.com
DFM Studio logo

DFM Studio

CNC Design for Manufacturability

Upload a STEP file and get instant DFM feedback from 100+ machinist-grade rules. Visualize issues in 3D, get 5-axis impact scoring, and export detailed PDF reports for the shop floor.

100+ machinist rules3D issue visualization5-axis impact scoring
dfmanalysis.com

What's New

Print AdvisorMar 10, 2026

Added Creality and Snapmaker printer support alongside Bambu Lab

Print AdvisorMar 8, 2026

AI filament recommender -- describe your project and get the best material

Tolerance AnalysisMar 5, 2026

New GD&T / Cpk mode with process capability integration

Tolerance AnalysisMar 3, 2026

Historical data upload -- import Excel/Numbers files for Monte Carlo

Have an idea for a tool?

More tools coming soon. Drop your email and tell us what you'd like to see.