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Modeling a remote control with Rhino 3D - tutorial p1

 

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In this tutorial, you will model a simple remote control with Rhinoceros 3D, similar to the one on this image. There are no flat surfaces in this model, so almost all of the main surfaces will be created using sweeps, revolves, etc...

Skill level is novice to intermediate.

Rhinoceros 3D tutorial - modeling a remote control

First we will draw the outline of the remote in top view. Don't try this with a freeform curve tool. Instead, use a combination of arcs and trim or split pieces away.

First draw a circle, with its center point placed at 0,0,0 on the grid.

Rhinoceros 3D tutorial - modeling a remote control

Use the arc tool 'start-end-direction' to draw the side of the body, and mirror this curve around the main y-axis. You can use grid snap to help.

Rhinoceros 3D tutorial - modeling a remote control

To close the curve opening at the bottom, we will use 'blend curves'. Blend makes a smooth transition between two open ends. By using blend, you can be sure there will be no sharp corner where the curves meet.

Go to the curve menu, and choose 'blend curves - quick curve blend'. Pick near the two end points and the blend will be created.

The shape is not 100% what it should be.

Rhinoceros 3D tutorial - modeling a remote control

Select the blend and turn on its control points. We will add one more control point exactly in the middle of the curve.

Rhinoceros 3D tutorial - modeling a remote control

Press long enough on the 'control points on' button to let the underlying buttons fly out. Choose 'insert knot'.

Rhinoceros 3D tutorial - modeling a remote control

With mid snap turned on, click at the midpoint of the blend. A new control point is created.

Rhinoceros 3D tutorial - modeling a remote control

Select this new point.

Rhinoceros 3D tutorial - modeling a remote control

Move the point down, with ortho snap on (or leave it off and press 'shift' while you drag, this does the same as ortho snap). Move it downwards until the blend looks good.

 

NOTE:

In rhino v5, there is a new option called 'adjustable curve blend'. By using this new feature, you have more control over the curve blend while creating it. This removes the need for the previous steps where we insterted an extra point and edited that point.

Rhinoceros 3D tutorial - modeling a remote control

This is what we have so far. Join the 3 curves at the bottom.

Rhinoceros 3D tutorial - modeling a remote control

Draw a straight line from the endpoint of the left curve (use ortho or shift!). Mirror this line along the Y-axis (use grid snap).

Rhinoceros 3D tutorial - modeling a remote control

Select the circle and the two straight lines.

Rhinoceros 3D tutorial - modeling a remote control

Trim the inner part of the circle, and delete the straight lines.

Rhinoceros 3D tutorial - modeling a remote control

Close the gaps with blend curve-quick curve blend.

Rhinoceros 3D tutorial - modeling a remote control

In the front viewport, draw an arc with 'start-end-direction' and use the grid to make sure it is symmetrical (count the units on each side of the green axis). Make sure it's wider than our top view curve.

Rhinoceros 3D tutorial - modeling a remote control

Make it something like this, don't curve it too much. This will become the top surface of our remote control.

In top view, move the curve upwards so that it is higher than the circles top.

Rhinoceros 3D tutorial - modeling a remote control

Extrude the curve like in the image on the right. Extrude it so it is longer than our top view shape.

Rhinoceros 3D tutorial - modeling a remote control

In the right view, draw a curve similar to this one. Use the 'control point curve' tool, don't mind about how accurate it is at first , we will adjust this later on. Don't use too many points! I used only 7 points.

Turn on control points for this curve.

 

 

Rhinoceros 3D tutorial - modeling a remote control

Adjust the points by moving them in the right view until the shape looks smooth and clean. Make sure you don't accidentally snap to other curves while you are moving these points!

 

 

Rhinoceros 3D tutorial - modeling a remote control

Select the arc you created earlier to create the top surface, and mirror it like this:


Rhinoceros 3D tutorial - modeling a remote control

Use 'transform-move' together with object snaps to move this curve. You should move it from its midpoint, and move to the endpoint of your bottom curve (see image).

Rhinoceros 3D tutorial - modeling a remote control

Now use 'transform-copy' to copy this curve to the other end of the bottom curve. Again, use object snaps for this!

Select this copied curve.

Rhinoceros 3D tutorial - modeling a remote control
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