one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details in other instances detailed descriptions of well known methods and devices are omitted so as to not obscure the description of the present invention with unnecessary detail fig1 is a perspective view of a typical neo angle shower installation utilizing prior art extruded moldings enclosure 10 comprises a door and doorframe 12 and two fixed panels 14 16 on either side of the door the fixed panels are attached to the walls and the doorframe is attached between the fixed panels along each side edge fig2 is a cross sectional view of the prior art extruded moldings 18 and 24 that form the adjoining edges of panel 14 and door doorframe panel 12 during installation of a typical neo angle shower joint design the adjoining panels are initially brought together prior to the permanent fastening stage to facilitate this initial alignment panel edge molding 18 has a hook shaped leading edge 20 that engages a rearward facing protrusion 26 on doorframe molding 24 these features are referred to collectively as u201c leading outside engagement feature u201d 32 this engagement feature while helpful for initially aligning the panels fails to positively engage the two moldings and therefore allows the panels to become easily disengaged particularly when subjected to the tilting and twisting forces that are commonly applied during panel alignment notice in particular how the shape of the leading outside engagement feature 32 of extrusions 18 and 24 allows panel 14 to separate from doorframe 12 in any of the indicated directions during the initial assembly and adjustment process prior art moldings 18 and 24 also incorporate an u201c inside engagement feature u201d 34 comprising flange 22 on panel.