What is extrusion in rhino?

What defines a lightweight extrusion object in rhino?

Rhino 5.0 has a new lightweight extrusion object that uses less memory, meshes faster, and saves smaller than the traditional polysurface used in Rhino 4.0. Commands like Box and Cylinder create lightweight extrusion objects.

What is Boolean Rhino?

Boolean meshes

Subtract the volume of one set of objects from another resulting in a mesh. MeshBooleanIntersection. Create a new mesh from the intersected volumes of objects. MeshBooleanSplit. Split and close objects at intersections.

Why is my extrusion not solid Rhino?

Extruding the curve won’t result in a solid, because you’ve not told rhino what shape to make the bottom and top surfaces, as they are not planar. To get around this, split the surface with the curves, then use ExtrudeSrf instead.

What is the opposite of extrusion?

extrude. Antonyms: intrude, insert, introduce. Synonyms: thrust out, eject, expel.

What is loft in rhino?

The Loft command fits a surface through selected profile curves that define the surface shape. Select the curves in the order in which the surface should pass through them. … Continue to adjust the seam points until they line with each other and the closed curves all have the same direction, and then press Enter.

What does planar mean in Rhino?

The Planar command limits successive picked locations to the same construction plane elevation as the previous location. Planar mode aids in creating planar objects with commands that allow free picking. Successive points have the same construction plane elevation.

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What is Nurbs in Rhino?

NURBS, Non-Uniform Rational B-Splines, are mathematical representations of 3D geometry that can accurately describe any shape from a simple 2D line, circle, arc, or curve to the most complex 3D organic free-form surface or solid.