Get Blender 3D For 3D Printing PNG. 3d models drawn in blender work great in a computer animated virtual world but don't always when brought into a slicer for 3d printing. You must respect the minimum thicknesses for each material, such that every aspect of the model will be both printable and visible.
I've set my units (in scene properties) to metric, and the scene scale to 0.01 hoping to get the blender dimensions it mm's.
In this overview chris plush from cgmasters.net shows you some tips on prepping your 3d models in order to upload them to i.materialise.com for 3d printing. It's important to understand the physical limitations of the material in which you plan to 3d print. Blender may seem like an odd choice because it isn't really built around product design or 3d printing. Slicers require something which makes sense in the real world.