|-
| style="width:30px;" | [[File:pec_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Perfect Electric Conductor (PEC) |Perfect Electric Conductor (PEC)]]
| style="width:300px;" | Modeling perfect metals
| style="width:250px;" | Solid, surface and curve objects
|-
| style="width:30px;" | [[File:thin_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Thin Wire |Thin Wire]]
| style="width:300px;" | Modeling wire radiators
| style="width:250px;" | Lines parallel to one of the three principal axes
|-
| style="width:30px;" | [[File:pmc_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Perfect Magnetic Conductor (PMC) |Perfect Magnetic Conductor (PMC)]]
| style="width:300px;" | Modeling perfect magnetic sheets
| style="width:250px;" | Rectangle strips parallel to one of the three principal planes
|-
| style="width:30px;" | [[File:diel_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Dielectric Material |Dielectric Material]]
| style="width:300px;" | Modeling any homogeneous material
| style="width:250px;" | Solid objects
|-
| style="width:30px;" | [[File:aniso_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Anisotropic Material |Anisotropic Material]]
| style="width:300px;" | Modeling unaxial or generalized anisotriopic materials
| style="width:250px;" | Solid objects
|-
| style="width:30px;" | [[File:disp_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Dispersive Material |Dispersive Material]]
| style="width:300px;" | Modeling Debye, Drude and Lorentz materials and generalized metamaterials
| style="width:250px;" | Solid objects
|-
| style="width:30px;" | [[File:voxel_group_icon.png]]
| style="width:150px;" | [[Glossary of EMGlossary_of_EM.Cube's Materials & Physical Object Types%27s_Materials,_Sources,_Devices_%26_Other_Physical_Object_Types#Voxel Database |Voxel Database]]
| style="width:300px;" | Modeling general inhomogeneous materials defined pointwise using a voxel database
| style="width:250px;" | Must import ".CAR" type data file