good proyect that I like

Drawdio in plant

Drawdio in pencil

chep 3D printer like this

my own version ... is not working

whether fax give you eye in space

take from http://www.dd9lh.de/noaa/noaa-19-201709130145-mcir.jpg

3 yeards before and now ... I'm still trying

home made 400 amps

soldering iron? made with microwave parts

the coins don't like it