make tslot of any width.
10x10
20x20
25x25
30x30
40x40
...
Version 120616.01:

Edited Scad file for new OpenScad syntax (version 2012.05)

Version 120215.01:

Corrected some bugs, added more objects to demo.

Version 120208.02:

Simplified library, now you pass the model as a parameter.
Added more tslot models.

Version 120208.01:

Added two slots for Wx2W
So now you can print
25x50
30x60
...