Don't remember a thread to collect useful links so lets start one!
Gear ratio calculator...already wasted hours checking out the options.
http://www.grimmjeeper.com/gears.html
Pipe Fitting printable template generator - Create a PDF template by inputting 2 diameters and the angle
In French so SI units...
Patron de découpe de tube T – BricoNosaure
Gear ratio calculator...already wasted hours checking out the options.
http://www.grimmjeeper.com/gears.html
Pipe Fitting printable template generator - Create a PDF template by inputting 2 diameters and the angle
In French so SI units...
Patron de découpe de tube T – BricoNosaure