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Projection

Available inside a sketch, Projection pulls outside 3D geometry onto the sketch plane as reference lines you can snap, dimension, and constrain against.

  • Click an outside body edge to project that edge; click a face or corner to project the whole body's feature edges.
  • Click a construction plane to project the line where it crosses the sketch plane.
  • Click a projected line to remove it from the sketch.
  • Or select edges, a body, or a plane with the Select tool before opening the sketch, then press Y inside it.
  • Projected lines draw dashed in their own teal, and behave like construction geometry.

The tool picks outside geometry only; the sketch's own drawn geometry belongs to the other sketch tools.

Projections are associative: when the source body changes — or the source plane moves or is resized — the projected lines follow it. Imported units project too — a unit's face outline lands in a sketch opened on it automatically.

Help​

The Projection tool's Context pane, each field explained

Scripting​

bearcad.ui.tool("project")   -- inside a sketch
-- or project the current selection, the Y shortcut's action:
bearcad.select{ kind = "body", index = 0 }
bearcad.ui.palette("run", "project selection")