diff --git a/attachments.scad b/attachments.scad
index d75a59a2..3875626e 100644
--- a/attachments.scad
+++ b/attachments.scad
@@ -3160,7 +3160,7 @@ module _show_ghost()
 // Module: attach_part()
 // Synopsis: Select a named attachable part for subsequent attachment operations
 // Topics: Attachment
-// See Also: attach(), align(), attachable(), attachable_part()
+// See Also: attach(), align(), attachable(), part_geometry()
 // Usage:
 //   PARENT() attach_part(name) CHILDREN;
 // Description:
@@ -3581,12 +3581,12 @@ function attach_geom(
     : ["point", cp, offset, anchors];
 
 
-// Function: attachable_part()
+// Function: part_geometry()
 // Synopsis: Creates an attachable part data structure.
 // Topics: Attachments
 // See Also: attachable()
 // Usage:
-//   part = attachable_part(name, geom, [inside=], [T=]);
+//   part = part_geometry(name, geom, [inside=], [T=]);
 // Description:
 //   Create a named attachable part that can be passed in the `parts` parameter of {{attachable()}}
 //   and then selected using {{attach_part()}}.
@@ -3594,8 +3594,8 @@ function attach_geom(
 //   module twocyl(d, sep, h, ang=20) 
 //   {
 //      parts = [
-//                attachable_part("left", attach_geom(r=d/2,h=h), T=left(sep/2)*yrot(-ang)),
-//                attachable_part("right", attach_geom(r=d/2,h=h), T=right(sep/2)*yrot(ang)),
+//                part_geometry("left", attach_geom(r=d/2,h=h), T=left(sep/2)*yrot(-ang)),
+//                part_geometry("right", attach_geom(r=d/2,h=h), T=right(sep/2)*yrot(ang)),
 //              ];
 //      attachable(size=[sep+d,d,h], parts=parts){
 //        union(){
@@ -3611,7 +3611,7 @@ function attach_geom(
 //     color("green")attach_part("right")attach(TOP,BOT) cuboid(3);    
 //   }
 
-function attachable_part(name, geom, inside=false, T=IDENT) =
+function part_geometry(name, geom, inside=false, T=IDENT) =
   assert(is_string(name), "name must be a string")
   assert(_is_geometry(geom), "geometry appears invalid")
   assert(is_bool(inside), "inside must be boolean")
diff --git a/shapes3d.scad b/shapes3d.scad
index e924736d..15a05fce 100644
--- a/shapes3d.scad
+++ b/shapes3d.scad
@@ -1689,7 +1689,7 @@ module rect_tube(
     ichamfer2 = _rect_tube_rounding(1/sqrt(2),ichamfer2_temp, chamfer2, irounding2_temp, size2, isize2);
     anchor = get_anchor(anchor, center, BOT, BOT);
     parts = [
-              attachable_part("inside", attach_geom(size=[each isize1, h], size2=isize2, shift=shift), inside=true)
+              part_geometry("inside", attach_geom(size=[each isize1, h], size2=isize2, shift=shift), inside=true)
             ];
     attachable(anchor,spin,orient, size=[each size1, h], size2=size2, shift=shift, parts=parts) {
         down(h/2) {
@@ -2971,7 +2971,7 @@ module tube(
                [0,h/2+1]
              ];
     parts = [
-               attachable_part("inside", attach_geom(r1=ir1, r2=ir2, l=h), inside=true)
+               part_geometry("inside", attach_geom(r1=ir1, r2=ir2, l=h), inside=true)
             ];
     attachable(anchor,spin,orient, r1=r1, r2=r2, l=h, parts=parts) {
         down(h/2) skew(sxz=shift.x/h, syz=shift.y/h) up(h/2)