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Bonzo Bonzo is offline


About Me

  • About Bonzo
    retired architect
    mathematics, water colours
    United Kingdom
  • Signature
    A man who never made a mistake never made anything.


Total Posts
General Information
  • Last Activity: 12-24-2020 11:22 AM
  • Join Date: 09-20-2014
  • Referrals: 0


Bonzo's Downloads
  Filename Total Downloads Rating Files Uploaded Last Updated
Transforming circular motion into elliptical.

The red spot takes an albeit erratic, elliptical path (or rather 2 semi-elliptical paths).
The "pendulum" is in the form of a plumb rule, an instr...
25 0 1 11-14-2018, 04:41 AM 11-15-2018, 06:14 AM
Parallel Motions
The first demonstrates a feature of Reuleaux triangles as it transports a capful of wine without spilling a drop.
The second, the fact that an ellipse is one of the cross sections of a cone, and carri...
24 0 1 10-06-2018, 07:02 AM 10-06-2018, 07:02 AM
Ames Window
Just Watch.
83 +1 1 11-18-2017, 05:28 AM 11-18-2017, 05:28 AM
Reuleaux triangle
A square revolves outside a Reuleaux triangle.
44 0 1 11-02-2017, 02:56 PM 11-02-2017, 02:56 PM
Powered by a rubber band, the model and a marble rotate in one direction, while the hoop with the red marker go the other way. The red marker traces the line of the curve sided triangle.
31 0 1 08-27-2017, 10:39 AM 08-28-2017, 06:58 PM
Squaring the Circle
I thought I would try to show my model in "3D puzzles" as a video...
22 0 1 08-15-2017, 10:33 AM 08-17-2017, 03:06 PM

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