Tutorials

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Converting a metal tube with 3 mm fillets to an aluminum extrusion

Bobi
in Modeling
1 0 Beginner
Converting a metal tube with 3 mm fillets to an aluminum extrusion
Rhino tube corner blend surface smooth fillet transition design

The magic of Loft with "Loose" option

Bobi
in Modeling
0 0 Beginner
The magic of Loft with "Loose" option
Rhino nice industrial design box fillet blend surface loft

Clean, easy to edit shape with Loft and Blend surface

Bobi
in Modeling
1 0 Beginner
Clean, easy to edit shape with Loft and Blend surface
Rhino industrial fillet smooth design box blend surface loft

Clean, easy to edit shape with Loose Loft

Bobi
in Modeling
0 0 Beginner
Clean, easy to edit shape with Loose Loft
Rhino nice industrial design box smooth blend surface loft

RHINO 7 = RHINO 5 PLUS SCULPTRIS

Germano Pecoraro Designer
in Modeling
1 1 Beginner
Rhino introduced the SubD command bar in releases 6 and 7. If you still have the previous releases (4-5) one solution I've experimented with is to bundle Rhino 5 with free art modeling software. Even though I have the Rhino 7 release, I can't load it on one of old laptop of mine, so I tried SCULPTRIS, freely downloadable from the web: https://en.wikipedia.org/wiki/Sculptris Files can be exchanged in .OBJ. One limitation of Sculptris is that it sometimes has difficulty importing complex objects. Another limitation of Sculptris is that the starting object to be modeled is a sphere, when instead it would be preferable to start from a cube. This is only a starting free solution, which can be implemented with other more complete artistic software.
Rhino up-grade software

How to build a quality blend curve on surface

Bobi
in Modeling
0 0 Beginner
How to build a quality blend curve on surface.
Rhino proper perfect smooth quality build surface surve blend

3 solutions to a classic case with failed fillets in Rhino

Bobi
in Modeling
0 0 Beginner
3 solutions to a classic case with failed fillets in Rhino
Rhino milling cnc hack round fillet fix rhino solution

Helix around a freeform object

Bobi
in Modeling
0 0 Beginner
Create helix around a freeform object.
Rhino around wrap freeform spring spyral helix vase rhino

How to properly create a bottle for injection moulding

Bobi
in Modeling
0 0 Beginner
Do not use "Sweep 2 rails" in Rhino, because it will deform the bottle and add an unnecessary amount of control points. Use "Rail revolve" instead.
Rhino sweep package proper revolve rail moulding injection bottle

Loft magic

Bobi
in Modeling
1 0 Beginner
When it comes to organic NURBS shapes like that, nothing can beat the quality, simplicity and History-enabled modification that Loft with the “Loose” option provides. A good practice is to use profile curves with the same degree and amount of control points. I started by creating the round base by using the Circle command with the “Deformable” option and 8 control points. Then, I simply copied it a few times and modified each one individually by moving its control points in the desired location. I also used Scale 3D and Scale 1D to adjust the overall size of each profile curve. As I moved or modified each intermediate curve, the History-enabled Loft surface updated in real-time, thus it let me decide what changes I needed to make to achieve the desired shape. NOTE: In this example initially I used the “Normal” option of Loft, which is not a good way to do the shape. The video capture was interrupted for some reason and stopped far earlier, so you will not see how I then deleted the loft surface and create
Rhino

Super hack to create hollow objects for 3d printing in Rhino

Bobi
in Modeling
0 0 Beginner
This is a quite easy “hack” how to create hollow objects that are usually not allowed by other CAD programs. Great for 3d printing. Simply connect the outer and inner objects via some random pipe or box, then join everything and untrim the hole that connects them with the ! _Untrim tool. You will notice that the two original separate objects now appear as a single object instead, despite the lack of an actual connection in-between. An alternative way is to select both objects and use the following commands: NonManifoldMerge, then CreateRegions, then delete the region you do not want, such like the core inside the sphere in this particular example.
Rhino hack advanced infill solid thickness cnc cura 3d printing

Super ring tutorial

Bobi
in Modeling
1 0 Beginner
Modeling tutorial for creating a ring in Rhino 7 with a single, history-enabled editable lofted surface.
Rhino gold ring loft tutorial nurbs surfacing jewerly tip

Zig-zag stairs

Bobi
in Modeling
2 0 Beginner
Simple modeling tutorial for creating modern zig-zag stairs with Rhino.
Rhino steps simple smart cool modern architecture rhino stairs

Full round fillet between 3 surfaces

Bobi
in Modeling
0 0 Beginner
This tutorial shows how to use a tangent circle to 3 surfaces to build a full round fillet in-between.
Rhino rhino radius surface surfacing nurbs transition round fillet

Loft to simulate a full round fillet between 3 surfaces

Bobi
in Modeling
1 0 Beginner
In cases where 3 surfaces meet together and the goal is to create a full round fillet in-between, the top surface could be used to extract an isocurve that’s then used as a middle profile for a “Loft surface”. The two main vertical surfaces are shortened by the amount of approximate radius (in this example, the radius is 5 mm, because the two main surfaces are 10 mm far from each other) and set to tangent start and end for the loft operation. That would maintain the desired top limit for the rounded surface, though it will not produce a true radius fillet.
Rhino rhino radius surface surfacing nurbs transition round fillet
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