Rat Pup, 30g, Sagittal, 1mm Reference: BSRPS-1 Our 3D printed rat brain slicers allows you to easily cut a brain into smaller pieces for easier imaging with objectives that have a limited working distance. These rat brain slicers are 3D printed out of PLA and can be easily washed and cleaned between use. All you need is a standard razor blade to start slicing your tissues.