--- a/src/Grids/grid.jl	Fri Mar 22 08:48:00 2024 +0100
+++ b/src/Grids/grid.jl	Fri Mar 22 08:59:36 2024 +0100
@@ -49,6 +49,40 @@
 component_type(t) = component_type(typeof(t))
 
 """
+    componentview(gf, component_index...)
+
+A view of `gf` with only the components specified by `component_index...`.
+
+# Examples
+```julia-repl
+julia> componentview([[1,2], [2,3], [3,4]],2)
+3-element ArrayComponentView{Int64, Vector{Int64}, 1, Vector{Vector{Int64}}, Tuple{Int64}}:
+ 2
+ 3
+ 4
+```
+"""
+componentview(gf, component_index...) = ArrayComponentView(gf, component_index)
+
+struct ArrayComponentView{CT,T,D,AT <: AbstractArray{T,D}, IT} <: AbstractArray{CT,D}
+    v::AT
+    component_index::IT
+
+    function ArrayComponentView(v, component_index)
+        CT = typeof(first(v)[component_index...])
+        return new{CT, eltype(v), ndims(v), typeof(v), typeof(component_index)}(v,component_index)
+    end
+end
+
+Base.size(cv) = size(cv.v)
+Base.getindex(cv::ArrayComponentView, i::Int) = cv.v[i][cv.component_index...]
+Base.getindex(cv::ArrayComponentView, I::Vararg{Int}) = cv.v[I...][cv.component_index...]
+IndexStyle(::Type{<:ArrayComponentView{<:Any,<:Any,AT}}) where AT = IndexStyle(AT)
+
+# TODO: Implement `setindex!`?
+# TODO: Implement a more general ComponentView that can handle non-AbstractArrays.
+
+"""
     refine(g::Grid, r)
 
 The grid where `g` is refined by the factor `r`.