About this 3D model

This script makes a lid with a hole for injecting chemicals for a half sphere depression in a cube - to be used for reactionware testing. It is parametric and sized depending on the mL of fluid. This component is part of an open source lab library, by the [Michigan Tech's Open Sustainability Technology Research Group](http://www.appropedia.org/Category:MOST). For similar see the [Open-Source Lab How to Build Your Own Hardware and Reduce Research Costs](http://www.appropedia.org/Open-source_Lab)