diff --git a/entity/lwpolyline.go b/entity/lwpolyline.go
index afe9600..2454d99 100644
--- a/entity/lwpolyline.go
+++ b/entity/lwpolyline.go
@@ -10,6 +10,7 @@ type LwPolyline struct {
 	Num      int // 90
 	Closed   bool
 	Vertices [][]float64
+	Bulges   []float64
 }
 
 // IsEntity is for Entity interface.
@@ -28,6 +29,7 @@ func NewLwPolyline(size int) *LwPolyline {
 		Num:      size,
 		Closed:   false,
 		Vertices: vs,
+		Bulges:   make([]float64, size),
 	}
 	return l
 }
@@ -46,6 +48,9 @@ func (l *LwPolyline) Format(f format.Formatter) {
 		for j := 0; j < 2; j++ {
 			f.WriteFloat((j+1)*10, l.Vertices[i][j])
 		}
+		if l.Bulges[i] != 0 {
+			f.WriteFloat(42, l.Bulges[i])
+		}
 	}
 }
 
diff --git a/parser.go b/parser.go
index 58cb361..fccc630 100644
--- a/parser.go
+++ b/parser.go
@@ -708,6 +708,7 @@ func ParseLwPolyline(d *drawing.Drawing, data [][2]string) (entity.Entity, error
 			err = setInt(dt, func(val int) {
 				lw.Num = val
 				lw.Vertices = make([][]float64, val)
+				lw.Bulges = make([]float64, val)
 				for i := 0; i < val; i++ {
 					lw.Vertices[i] = make([]float64, 2)
 				}
@@ -730,6 +731,10 @@ func ParseLwPolyline(d *drawing.Drawing, data [][2]string) (entity.Entity, error
 			} else {
 				err = fmt.Errorf("LWPOLYLINE extra vertices")
 			}
+		case "42":
+			err = setFloat(dt, func(val float64) {
+				lw.Bulges[ind-1] = val
+			})
 		case "70":
 			err = setInt(dt, func(val int) {
 				if val == 1 {