Design a CAD Model Conversion Pipeline · System Design Interview

Design a CAD Model Conversion PipelineDesign the service on a cloud design platform that converts uploaded 3D design files, in dozens of formats, into a lightweight format a browser viewer can load.What it has to do

Convert an uploaded design file into a format the browser viewer can load, plus a thumbnail

Show progress, and a clear error when a file cannot be converted

A new version of a model does not redo the work for parts that did not change

Scale

Files uploaded per day: 1 million

File size: median 50 MB, with a tail to 20 GB

Out of scope

The browser viewer itself

Editing models

Sharing and permissions

Billing per conversion

Practise this challengeAll system design challenges

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