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