Figure 1

MR-compatible plastic window chamber mouse model. 3D rendering of top (A) and bottom (B) surface of MR compatible plastic window chamber designed in Autodesk Fusion 360 CAD software version 2.0.12160 (Autodesk Inc., San Rafael, CA, USA). Divots for fiducial marker placement are marked by the orange circles in (A). (C) Plastic window chamber on a tumor bearing mouse.