diff --git a/src/EntangledUnits/EntangledReshaping.jl b/src/EntangledUnits/EntangledReshaping.jl
index d4337f6da..bc2591891 100644
--- a/src/EntangledUnits/EntangledReshaping.jl
+++ b/src/EntangledUnits/EntangledReshaping.jl
@@ -85,5 +85,19 @@ function repeat_periodically(esys, counts)
     dipole_operators_origin = all_dipole_observables(sys_origin_new; apply_g=false) 
     (; observables, source_idcs) = observables_to_product_space(dipole_operators_origin, sys_origin_new, contraction_info)
 
+    return EntangledSystem(sys_new, sys_origin_new, contraction_info, observables, source_idcs)
+end
+
+function resize_supercell(esys::EntangledSystem, dims::NTuple{3,Int})
+    (; sys, sys_origin, contraction_info) = esys
+
+    # Resize both entangled and original system periodically
+    sys_new = reshape_supercell(sys, diagm(Vec3(dims)))
+    sys_origin_new = reshape_supercell(sys_origin, diagm(Vec3(dims)))
+
+    # Construct dipole operator field for reshaped EntangledSystem
+    dipole_operators_origin = all_dipole_observables(sys_origin_new; apply_g=false) 
+    (; observables, source_idcs) = observables_to_product_space(dipole_operators_origin, sys_origin_new, contraction_info)
+
     return EntangledSystem(sys_new, sys_origin_new, contraction_info, observables, source_idcs)
 end
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