Update README.md
Update README.md
Create light_plate_construction.scad
Update openscad/light_plate.scad
Update openscad/light_plate_support.scad
Update openscad/light_plate_construction.scad
global constants: add lighting plate measures
Update openscad/light_plate_support.scad
Create base_construction.scad
Update openscad/back_brace.scad

make back_brace.scad into just a module
Update openscad/braces.scad
Update openscad/front_brace.scad

turn into a module
Update openscad/global_constants.scad
Create README.md
Create cradle_base.scad
Merge branch 'master' of git://github.com/markvdb/diybookscanner into controller