Advanced Filleting

Summary: There are situations where the automatic filleting tools in Rhino may fail. This page contains tutorials that show how to manually get the desired results.

Contact: John Brock or Pascal Golay

The two primary commands for filleting surfaces in Rhino are:

FilletEdge

FilletSrf

Learn more about Fillets

Fillet Basics
This example will show you how to manually fillet a corner where four planar surfaces meet at a single point.
Last update: March 2, 2019
Advanced Fillets in Rhino
This example will show you how to manually fillet a corner where four planar surfaces meet at a single point.
Last update: March 2, 2019


What if they don’t work?

Four surfaces (V4)
step_8.jpg This example will show you how to manually fillet a corner where four planar surfaces meet at a single point.
Last update: January 19, 2007


Five surfaces (V4)
This example will show you how to manually fillet a corner where five planar surfaces meet at a single point.
Last update: January 22, 2007


Overlapping surfaces
This example will show you how to manually fix two overlapping fillet surfaces.
Last update: January 19, 2007


Short walled pocket
This example will show you how to manually fillet a pocket with the walls are too short for the desired radius.
Last update: January 22, 2007


Existing small radius
This example will show you how to use a large radius fillet when a small radius fillet already exists.
Last update: January 22, 2007


Tangent cylinders
This example will show you how to fillet two stacked cylinders that share a tangent side.
Last update: January 22, 2007


Overlapping boxes
This example will show you how to fillet the shared edges of two overlapping boxes.
Last update: January 22, 2007


Mitch's first challenge
mitch1done.jpg Here's an example sent in by Mitch Heynick. Mitch writes: Fillet all vertical edges plus the base with a radius of 10. Fillet the horizontal inside edges near the top at 5. –Mitch
Last update: January 25, 2007


Mitch's second challenge
mitch2_07b.jpg Here's another example sent in by Mitch Heynick. I'll admit, this one stumped me but Pascal figured it out. Mitch writes: Fillet all the surfaces except bottom with a constant radius of 5. –Mitch
Last update: January 30, 2007