- Tips and tricks:
- How to drill large holes in sheet metal (12.2012)
- Facing small rods without a lathe (10.2014)
- Whistles:
- A steam whistle (12.2012)
- A simple whistle for your keychain (02.2021)
- CW keys:
- A small CW straight key (12.2012)
- A CW iambic paddle made with PCB boards (11.2013)
- Car related projects: