Living Hinge (Fit To Rectangle)

This plugin only works für rectangles of the type "Object". So you may not convert the rectangle to a path before! See https://wiki.lvl1.org/Inkscape_Extension_to_Render_a_Living_Hinge . 

 Draw a rectangle object (do not convert to path!) 

 

 

 

 See also 

 

 Living Hinge (Size Input) 

 Box Maker - Living Hinge 

 Buxtronix Living Hinges