This 3D model was originally created with Sketchup 13 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Opening Dimensions: Must be modified to work with different fireboxes. Cabinet Dimensions: Can be modified to work with a. local fire codes b. firebox specs c. client's limitations (i.e. doorways, windows, walls, etc.) (Please RATE this model. Thanks)