Hi everybody If been playing around with constructing at 45 degrees in technic and found the following techniques: The first one is using an axle through some connectors thus giving you 45 degrees and of course you can now start mounting or building of the axle: I also played around with the Pythagoras theorem and found the two practical values to use: 5 ( 6L in LEGO the first L is the 0 position ) and 7.071 { 5.sqrt(2) } rounded to 7 ( 8L in LEGO the first L is the 0 position ) 7 ( 8L in