42046 - Centrifuge
The model demonstrates Centrifugal force beautifully, as the "beakers" swing outward during spin.
My wife is a chemist and forced me to go through a number of major redesigns to achieve the look of a bowl in which the beakers spin.
The LXF contains a group that simulates part 12799 (the engine). Apologies for that, but LDD does not support that part.
Enjoy. Comments and suggestions welcome.
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