Tapered panel¶

from woodwright.examples import cuts

design = cuts.tapered_panel(length=500)

board  400 x 300 x 10 mm  oak
       - chamfer 30 x 4 mm on bottom_face_front_edge_arris
       - chamfer 30 x 4 mm on bottom_face_left_end_arris
       - chamfer 30 x 4 mm on bottom_face_right_end_arris

def tapered_panel(
    length: float = 400,
    width: float = 300,
    taper_width: float = 30,
    edge_thickness: float = 6,
) -> Assembly:
    """A drawer bottom with three edges tapered on the underside to fit grooves.

    The underside is planed at a slope `taper_width` wide, leaving the edge
    as thick as the groove is wide. The back edge stays square: it goes
    under the back of the drawer.
    """
    asm, board = _board("tapered_panel", THIN_OAK, length=length, width=width)
    amount = board.thickness - edge_thickness
    for at in (board.front_edge, board.left_end, board.right_end):
        board.cut(Chamfer(board.arris(board.bottom_face, at), size=taper_width, size_b=amount))
    return asm