Mitred half lap¶

from woodwright.examples import joints

design = joints.mitred_half_lap(stile_length=375)

stile  300 x 40 x 20 mm  oak
       - mitre 45 deg on right_end, back_edge inside, 10 deep from bottom_face
rail   200 x 40 x 20 mm  oak
       - mitre 45 deg on left_end, back_edge inside, 10 deep from bottom_face
       - end rabbet 40 mm, 10 deep, in top_face at left_end

def mitred_half_lap(
    stile_length: float = 300, rail_length: float = 200, width: float = 40, stock: Stock = OAK
) -> Assembly:
    """A frame corner mitred on the face and half-lapped behind: lengths to the outside.

    The front half of both parts is mitred, so the face towards the viewer
    looks like a mitre corner; at the back the stile keeps a lap across the
    whole corner, under the rail cut back by an end rabbet.
    """
    asm = Assembly("mitred_half_lap", root_location=STANDING)
    stile = asm.add(Board("stile", stock, length=stile_length, width=width))
    rail = asm.add(Board("rail", stock, length=rail_length, width=width))
    asm.join(
        MitredHalfLap(
            stile.right_end, rail.left_end, stile.back_edge, rail.back_edge, face=stile.bottom_face
        )
    )
    return asm