Contraptor

Hi.

When designing the contrapteur mini-cnc, I had to find out how to place the diagonal bar ( so that the holes of the diagonal bar it right in front of holes in the two other angles.
Now that I have the actual angle to play with, it's quite easy, but in Sketchup, trial and error was quite a burden.

Here is an array I used, that gives the round hypotenuses for different angle lengths, it was quite usefull to decide which length to give to which angle : 

And the Perl script to generate it :

print "|| ||~ ", join('||~ ',map $_ , 1..30 ) , "||\n";
for my $x ( 1 .. 30 ){ print "||~ $x ||", join('||', map int(sqrt(($_*$_)+($x*$x)))==sqrt(($_*$_)+($x*$x)) ? int(sqrt(($_*$_)+($x*$x))) : ' ' , 1..30 ) , "||\n"; }

Just in case this can help someone else …