# Inclined Edges at T-Joints
It is possible to determine the section angle at posts and panels. Especially for thicker materials such as insulation panels and cross-laminated timber, the section must also be executed on the panel. End posts at angled T-joints can be chamfered accordingly. The resulting machining on panels and studs is transferred accordingly to controlled machines.
* HRB editor: In the layer penetrations of the T-joints there is a column with identifiers for the section angle at the layer edge:
* R stands for *perpendicular* and corresponds to the previous section
* A stands for *adjusted* and yields a section angle parallel to the mating wall.
* W stands for *angle bisecting* and yields a section angle bisecting the angle with the mating wall.
* Wall end abutting wall: The layer is first created at the layer edge as a perpendicular penetration. An additional section is then always executed into the material; the sheathing is therefore not enlarged.
* Separate layers abutting wall: The layer is first separated at the layer edges of the abutting wall according to a perpendicular penetration. The chosen front or rear edge forms an intersection with this layer. An additional section is placed into this intersection and now intersects with the other edge of the layer. Of these two intersection points, the one that now forms the end of the separated layer creates the larger layer. As a result, for *adjusted* the separated layer is limited on one side at its rear edge and on the other side at its front edge. For *angle bisecting* the largest extension lies on the *front edge*, although the *rear edge* was selected.
* For the "angle bisecting" setting it makes no sense if only one layer of the abutting wall penetrates the abutted layer, because the abutting layer cannot be connected in an angle-bisecting manner to both sides simultaneously.
* The sections / chamfers are generated only on lines with W or A:
* If studs (e.g., frames at a wall end) end in a layer whose layer edge remains perpendicular (R), the studs are connected according to the input order. If the layer edge is to be angle-bisecting (W) or adjusted (A), the stud end is cut accordingly. The length is determined by the penetration.
* Chamfers on studs are always executed along the entire stud length, even if the wall edge ends earlier.
* This identifier is then also present at the layer edge. If a manually entered panel is reduced by the layer edge, the corresponding section angle is also executed at that layer edge.
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