Easily compare design revisions and validate changes
Whether it’s multiple CAD revisions, drawings, or project documents, CoLab lets you compare and review them together, so you can understand changes faster and make informed decisions.
Side-by-side viewing
View any two files together, whether it’s two revisions of a 3D model, a drawing and a PDF, or two different documents entirely. You can pan, zoom, and rotate both views in sync to compare details side by side without switching tools.
Model revision comparisons
Visually highlight the differences between 3D model revisions. CoLab automatically detects and color-codes geometry changes, so you can quickly see what’s been added, removed, or modified.
Drawing revision comparisons
Overlay two drawing revisions to pinpoint what’s changed. Differences in geometry or annotations are highlighted clearly, so you can validate changes and catch unintended ones without manually cross-checking versions.
Pull feedback forward from past versions
Overlay feedback from the previous version onto the current one. Validate that changes were made correctly and understand why past decisions were made without searching through old files or notes.
See every design change in full context.
CoLab brings models, drawings, and supporting documents together in one viewer, so you can compare revisions, verify updates, and make faster, more confident design decisions.
- View multiple files side by side in the browser
- Highlight geometry and drawing differences automatically
- Review related files together in one view
- Carry unresolved feedback forward between revisions