diff --git a/affine.scad b/affine.scad
index e6a8a17..ca741ba 100644
--- a/affine.scad
+++ b/affine.scad
@@ -276,11 +276,31 @@ function affine3d_mirror(v) =
 	];
 
 
+// Function: affine3d_skew()
+// Usage:
+//   mat = affine3d_skew([sxy], [sxz], [syx], [xyz], [szx], [szy]);
+// Description:
+//   Returns the 4x4 affine3d matrix to perform a skew transformation.
+// Arguments:
+//   sxy = Skew factor multiplier for skewing along the X axis as you get farther from the Y axis.  Default: 0
+//   sxz = Skew factor multiplier for skewing along the X axis as you get farther from the Z axis.  Default: 0
+//   syx = Skew factor multiplier for skewing along the Y axis as you get farther from the X axis.  Default: 0
+//   syz = Skew factor multiplier for skewing along the Y axis as you get farther from the Z axis.  Default: 0
+//   szx = Skew factor multiplier for skewing along the Z axis as you get farther from the X axis.  Default: 0
+//   szy = Skew factor multiplier for skewing along the Z axis as you get farther from the Y axis.  Default: 0
+function affine3d_skew(sxy=0, sxz=0, syx=0, xyz=0, szx=0, szy=0) = [
+	[  1, sxy, sxz, 0],
+	[syx,   1, syz, 0],
+	[szx, szy,   1, 0],
+	[  0,   0,   0, 1]
+];
+
+
 // Function: affine3d_skew_xy()
 // Usage:
 //   affine3d_skew_xy(xa, ya)
 // Description:
-//   Returns the 4x4 affine3d matrix to perform a skew transformation along the XY plane..
+//   Returns the 4x4 affine3d matrix to perform a skew transformation along the XY plane.
 // Arguments:
 //   xa = Skew angle, in degrees, in the direction of the X axis.
 //   ya = Skew angle, in degrees, in the direction of the Y axis.
diff --git a/transforms.scad b/transforms.scad
index b51c1ee..98c1a8c 100644
--- a/transforms.scad
+++ b/transforms.scad
@@ -952,12 +952,9 @@ function zflip(z=0,p) =
 //   trace_polyline(close_path(pts), showpts=true);
 module skew(sxy=0, sxz=0, syx=0, syz=0, szx=0, szy=0)
 {
-	multmatrix([
-		[  1, sxy, sxz, 0],
-		[syx,   1, syz, 0],
-		[szx, szy,   1, 0],
-		[  0,   0,   0, 1]
-	]) children();
+	multmatrix(
+		affine3d_skew(sxy=sxy, sxz=sxz, syx=syx, syz=syz, szx=szx, szy=szy)
+	) children();
 }
 
 function skew(p, sxy=0, sxz=0, syx=0, syz=0, szx=0, szy=0, planar=false) =
@@ -967,12 +964,7 @@ function skew(p, sxy=0, sxz=0, syx=0, syz=0, szx=0, szy=0, planar=false) =
 			[  1, sxy, 0],
 			[syx,   1, 0],
 			[  0,   0, 1]
-		] : [
-			[  1, sxy, sxz, 0],
-			[syx,   1, syz, 0],
-			[szx, szy,   1, 0],
-			[  0,   0,   0, 1]
-		]
+		] : affine3d_skew(sxy=sxy, sxz=sxz, syx=syx, syz=syz, szx=szx, szy=szy)
 	)
 	is_undef(p)? m :
 	assert(is_list(p))
diff --git a/version.scad b/version.scad
index 70e7690..13988ab 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,61];
+BOSL_VERSION = [2,0,62];
 
 
 // Section: BOSL Library Version Functions
diff --git a/walls.scad b/walls.scad
index 813ac7b..76ab063 100644
--- a/walls.scad
+++ b/walls.scad
@@ -352,8 +352,8 @@ module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, anc
 			}
 			yspread(ystep, n=yreps) {
 				xspread(zstep, n=zreps) {
-					skew_xy(planar=true, ya=-ang) square([(h-strut)/zreps, strut], center=true);
-					skew_xy(planar=true, ya= ang) square([(h-strut)/zreps, strut], center=true);
+					skew(syx=tan(-ang)) square([(h-strut)/zreps, strut], center=true);
+					skew(syx=tan( ang)) square([(h-strut)/zreps, strut], center=true);
 				}
 			}
 		}
@@ -440,7 +440,7 @@ module sparse_strut3d(h=50, l=100, w=50, thick=3, maxang=40, strut=3, max_bridge
 											for (soff = [0:1:supp_reps-1] ) {
 												yflip_copy() {
 													back(soff*supp_step) {
-														skew_xy(ya=supp_ang) {
+														skew(syz=tan(supp_ang)) {
 															cube([strut, strut, zstep], anchor=BOTTOM);
 														}
 													}