Recent Posts
MIDI Foot Controller
February 24, 2025
Use this simple MIDI controller with your music software or instruments.
read moreHigh Reduction Ratio Planetary Drive, Revisited
September 05, 2024
Updated model from 12 years ago
read moreSlotted Mechanical Seven-Segment Display
August 20, 2024
This demonstration model uses an interesting mechanism for a segmented display
read moreSouth-pointing Chariot Updates
August 11, 2024
Improved axles, alternate wheels and tires
read moreQuarto Game with Roll-Up Board
September 11, 2023
Quarto is easy to learn yet interesting to play
read moreSouth-pointing Chariot
August 25, 2023
Easy-to-print fun illustration of differential gearing.
read moreRotary Tool Fixtures
August 20, 2023
To get more out of your rotary tool, make a simple fixture. It doesn't have to be elaborate.
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