Collapsible Umbrella

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Use the slider to open and close the collapsible umbrella.
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Contributed by: Karl Scherer (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The closing happens in two phases:
First the lateral parts are collapsed; then the three parts of the central shaft glide into each other.
The measurements of the parts were taken from a real umbrella.
You can use the zoom to enlarge details.
Permanent Citation
"Collapsible Umbrella"
http://demonstrations.wolfram.com/CollapsibleUmbrella/
Wolfram Demonstrations Project
Published: March 7 2011