Havinga Software
Havinga SoftwareHavinga Software
ThreeDimSimThreeDimSim
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ExamplesExamples...
Car break thruCar break thru
HourglassHourglass
Simple carSimple car
Jumping BipedJumping Biped
Motor controlMotor control
Mini BipedMini Biped
Tippe-topTippe-top
Env. mappingEnv. mapping
Billiard playBilliard play
Satellite orbitingSatellite orbiting
ScreenshotScreenshot
How it worksHow it works
System ModelsSystem modeling
Quick tutorialQuick tutorial
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ThreeDimSim: Tippe-top simulation

This example shows a simulation of a 'tippe-top'. The tippe-top is a toy consisting of a (hemi)sphere resting on a cylindrical stem. Its center of gravity is off-center, opposite to the stem. When the toy is spinned on the spherical side fast enough,  it will turn itself upside-down, spinning on the stem.

Tippe-top simulation

Look at the script file tippetop.thd to see how this simulation was created.