The plugin relies on clean loops. Avoid overlapping lines or microscopic gaps in your base footprint geometry.
The plugin relies heavily on the accuracy of the input face. If the underlying walls or footprint are not coplanar or have micro-gaps, the roof generation may fail or produce erroneous overhangs. This requires a disciplined modeling approach where the "base" geometry is perfectly clean. Instant Roof Pro Plugin Sketchup
: Integrates standard drainage features with pre-defined gutter and downspout profiles. Technical Workflow Comparison INSTANT ROOFS IN SKETCHUP with Instant Roof NUI The plugin relies on clean loops