diff --git a/xmath/geom/insets.go b/xmath/geom/insets.go
index bd9a9c3..34773c1 100644
--- a/xmath/geom/insets.go
+++ b/xmath/geom/insets.go
@@ -15,6 +15,12 @@ import (
 	"github.com/richardwilkes/toolbox/xmath"
 )
 
+// Insets32 is an alias for the float32 version of Insets.
+type Insets32 = Insets[float32]
+
+// Insets64 is an alias for the float64 version of Insets.
+type Insets64 = Insets[float64]
+
 // Insets defines margins on each side of a rectangle.
 type Insets[T xmath.Numeric] struct {
 	Top    T `json:"top"`
diff --git a/xmath/geom/matrix2d.go b/xmath/geom/matrix2d.go
index cfd650a..ee04b26 100644
--- a/xmath/geom/matrix2d.go
+++ b/xmath/geom/matrix2d.go
@@ -14,6 +14,12 @@ import (
 	"golang.org/x/exp/constraints"
 )
 
+// Matrix2D32 is an alias for the float32 version of Matrix2D.
+type Matrix2D32 = Matrix2D[float32]
+
+// Matrix2D64 is an alias for the float64 version of Matrix2D.
+type Matrix2D64 = Matrix2D[float64]
+
 // Matrix2D provides a 2D matrix.
 type Matrix2D[T constraints.Float] struct {
 	ScaleX T
diff --git a/xmath/geom/point.go b/xmath/geom/point.go
index ad15df7..a8e1f99 100644
--- a/xmath/geom/point.go
+++ b/xmath/geom/point.go
@@ -17,6 +17,12 @@ import (
 	"github.com/richardwilkes/toolbox/xmath"
 )
 
+// Pt32 is an alias for the float32 version of Point.
+type Pt32 = Point[float32]
+
+// Pt64 is an alias for the float64 version of Point.
+type Pt64 = Point[float64]
+
 // Point defines a location.
 type Point[T xmath.Numeric] struct {
 	X T `json:"x"`
diff --git a/xmath/geom/poly/contour.go b/xmath/geom/poly/contour.go
index 61b2f36..175c641 100644
--- a/xmath/geom/poly/contour.go
+++ b/xmath/geom/poly/contour.go
@@ -15,6 +15,12 @@ import (
 	"golang.org/x/exp/constraints"
 )
 
+// Contour32 is an alias for the float32 version of Contour.
+type Contour32 = Contour[float32]
+
+// Contour64 is an alias for the float64 version of Contour.
+type Contour64 = Contour[float64]
+
 // Contour is a sequence of vertices connected by line segments, forming a closed shape.
 type Contour[T constraints.Float] []geom.Point[T]
 
diff --git a/xmath/geom/poly/polygon.go b/xmath/geom/poly/polygon.go
index 4dfb2e5..6b7a4e6 100644
--- a/xmath/geom/poly/polygon.go
+++ b/xmath/geom/poly/polygon.go
@@ -14,6 +14,12 @@ import (
 	"golang.org/x/exp/constraints"
 )
 
+// Polygon32 is an alias for the float32 version of Polygon.
+type Polygon32 = Polygon[float32]
+
+// Polygon64 is an alias for the float64 version of Polygon.
+type Polygon64 = Polygon[float64]
+
 // Polygon holds one or more contour lines. The polygon may contain holes and may be self-intersecting.
 type Polygon[T constraints.Float] []Contour[T]
 
diff --git a/xmath/geom/rect.go b/xmath/geom/rect.go
index 8f2ae3a..095bbb3 100644
--- a/xmath/geom/rect.go
+++ b/xmath/geom/rect.go
@@ -18,6 +18,12 @@ import (
 	"github.com/richardwilkes/toolbox/xmath"
 )
 
+// Rect32 is an alias for the float32 version of Rect.
+type Rect32 = Rect[float32]
+
+// Rect64 is an alias for the float64 version of Rect.
+type Rect64 = Rect[float64]
+
 // Rect defines a rectangle.
 type Rect[T xmath.Numeric] struct {
 	Point[T] `json:",inline"`
diff --git a/xmath/geom/size.go b/xmath/geom/size.go
index d96c72a..62f25f1 100644
--- a/xmath/geom/size.go
+++ b/xmath/geom/size.go
@@ -17,6 +17,12 @@ import (
 	"github.com/richardwilkes/toolbox/xmath"
 )
 
+// Size32 is an alias for the float32 version of Size.
+type Size32 = Size[float32]
+
+// Size64 is an alias for the float64 version of Size.
+type Size64 = Size[float64]
+
 // Size defines a width and height.
 type Size[T xmath.Numeric] struct {
 	Width  T `json:"w"`