Most plugins stop at the rafter tail. Instant Roof Pro allows you to add a 3D fascia board (rotated to the angle of the roof) and a soffit (horizontal bottom board). This is vital for photorealistic rendering in V-Ray or Enscape.
Draw your walls as a unified group or a flat plane. Tip: Use Fredo6’s JPP or Solid Tools to ensure the perimeter face is planar and hole-free. Instant Roof works best on faces without stray edges. Instant Roof Pro Plugin Sketchup
Because the roof is a clean, solid group (if you enable "Create Solid Group" in settings), you can slice it with Section Planes and send 2D vector roof plans to LayOut for construction documents. The section view of rafters is accurate enough for lumber takeoffs. Step 1: Prepare the Floor Plan Draw your