Cableway from a treetop with a self-breaking system
First design of a RC plane
Waterproof case for my first digital camera
With a suction cup to mount the camera on a surfboard
All in one hifi-set: amplifier, speaker and a rechargeable battery
Servicing the 30 years old car I own with a friend
Building skateboards together with my board sport club
Restoring a Pedersen bicycle
Experimenting with folded structures
Magnetic drive for a RC amphibious vehicle
Mobile
Ideas for a table