How to edit existing Freecad spreadsheet values to change model dimensions.
My parametric FreeCAD files can be found in my printables collection.
My files have a color code for things that can be changed and things that shouldn't. Such as might break the model
grey = information
magenta = variable name
green = free to edit
cyan = be careful and understand what you are editing first
red = don't edit
Coming soon with a picture guide on how to make your own Gridfinity bins or baseplates