From CAD file versions comparison to cloud PDM


A trend towards moving design related work to the cloud is growing. Despite a chorus of security, speed and connectivity concerned people, we can see how companies are growing their cloud data management solution towards supporting more robust features online. Few months ago, I was posting about Github moving towards the support of 3D models – GitHub PDM: is it for real? The ability of GitHub to work with 3D models together with core SCM functionality created an interesting tool for a specific market niche. Data management for individual designers, 3D printing offices and small teams.

Yesterday, my attention was caught by TechCrunch article – GitHub Adds 3D Modeling Features That Make It A Printer-Agnostic Choice For Object Sharing. Article speaks about GitHub adding a very specific 3D feature – ability to compare and finding difference in models. The following passage explains how it works.

…basically it takes each version and then overlays over the next using some nice transitions. Not unlike code diffs – the processes of comparing two iterations of a piece of software – this gives you far more control over the design process and lets you see where someone screwed up (or did something amazing).

Picture below shows how it looks like in the user interface:


Interesting enough, this feature reminded me another solution – GrabCAD CPD. GrabCAD recently introduced Workbench as part of their collaborative product development (CPD) suite. You can read my blog from last month – GrabCAD CPD wants to disrupt CAD file management. One of the GrabCAD Workbench features – visualization and comparison of versions.


Both GrabCAD and GitHub features made me think about new trend in cloud PDM development going bottom up and starting from very simple storage, file manipulation and sharing. Now it comes to revision comparison. Opposite to PDM dinosaurs trying to establish full top down file control and data management, these online tools are trying to find a right “feature” that will give them wide customer adoption.

What is my conclusion? Cloud provides an interesting opportunity to develop old solutions differently. GitHub and GrabCAD are not selling PDM first, but provide platforms for share data and compare revisions. Between these two, GrabCAD is probably looks more like a traditional PDM. GItHub popularity among software developers and SCM feature set can create an interesting perspective for different people in organization – software engineers, mechanical engineers, etc. to share the same platform. It means broader adoption – PDM industry was looking for these last 2 decades. Just my thoughts…

Best, Oleg

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