Gives the ability to draw a custom muntin pattern and drop it into a sash. Improves on slabified muntins in that it will move when the window opens, and can be hidden in wall sections.
Makes two EXTRUDEs based on drag 'n' dropped points, one of interior material, one of exterior. Intended to be called by sash macro. Placed by the lower left corner, by the middle.
User needs to place shape points after PUT in 3D script. Set A, B, ZZYZX. ZZYZX is the thickness. Set TOLER if necessary, default is 1mm.