Mitcad 0.7.0: real shapes from .rvt projects, more fillets and chamfers that build, derived designs

Import

• .rvt projects: doors, windows, curtain panels and mullions, furniture
  and the other family elements come in with their real shapes from the
  geometry the file keeps, instead of boxes. Curtain panels and mullions,
  rails, wall sweeps, slab edges, ceilings, stair runs and landings are
  built as features and checked against the project's IFC export (or the
  element's stored box). Members of placed groups come in. The IFC
  export next to a project is used as a reference and a source. Boxes
  that remain are hidden unless the element is structural, and each has a
  report line saying why. Large projects import several times faster.
• .f3d designs: derived items come in as linked copies of the other
  designs' bodies, placed as in the source design. Roundings that run over
  cut-outs or protrusions of their faces are built with them cleared and
  put back. Designs with many face appearances open fast again.
• .ipt parts: cuts through threaded holes and counterbores, coils on
  bores whose seam steps, joins that the exact boolean loses, and sketch
  texts and splines through points (their outlines come in as fixed
  curves). Sheet folds across cut windows, double bends and pattern
  directions read.
• A fillet or chamfer that still fails names the corner or the step where
  the geometry kernel stopped and why.

Modelling

• Many more fillets and chamfers build: roundings that end in the face
  they run into, that vanish at their end, that end across a periodic
  face's seam, that run past rounded corners or round a boss on a
  stepped seam; chamfers that end where the face at the end is tangent to
  both faces, that consume a strip along a chain of edges, or a flange's
  top. Walked fillet faces get their exact analytic surfaces.
• A thread's sizing moves the chamfers at the face's ends with it.
• Panel commands give the first value field the keyboard once the
  required picks are made.
• The Bend panel offers double bends.

Fixes

• The solver's analysis no longer overflows on some sketches.