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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Multi material and tool changers isn’t something many people use. As for just dual extrusion you can check this project https://github.com/dmitry-sorkin/K3D-VOSTOK it is an IDEX with two DD heads. Prusa MMU is another thing which comes to mind
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