Help modeling air circulator

Lets make air circulator this time. I’ll help you with basics here and we will model one nice model in the end.

air_circ.jpg

Resources

Blueprints (required registration, but I think it is worth!)

STEP 1

Again, in this tutorial I have also skipped the blueprints setup.

First, create 3 outline curves in Front viewport with and bridge two upper with one line using polyline (good to have osnap Near option turned on)

air_circ_image1.jpg

Next, split those two bridged curves with that created line (bridge).

Create using InterpCrv outline for the handle section, and offset by 1 inside.

air_circ_image2.jpg

the two curves and split outline curves.

Then, from right viewport, create three lines, and Fillet the corners with 1 unit. that curve by 1 unit inside, and you will create another instance of this curve, but this one won’t have filleted corners.

air_circ_image3.jpg

Extrude those two curves and trim two newly created surfaces with the curves in Front viewport.

air_circ_image4.jpg

The two curves for handle section need to be positioned on the center of your base surfaces. I’ve done that by first creating the surface with Surface from 3 or 4 Corner Points command () and I positioned that surface on the middle of my model. I’ll use that surface for future centerings (I hide it when not needed).

air_circ_image5.jpg

When you moved those two curves to the center, extrude them according to image below:

air_circ_image6.jpg

Here, I’ve used BothSides option in Extrude command. Notice the Top viewport to see the extrusion distance.

Blend the edges of coresponding surfaces, check image below for reference…

air_circ_image7.jpg

Connect blend curves with lines on the mid

air_circ_image8.jpg

Using Network Surface command create surface out of two blend curves and one line.

air_circ_image9.jpg

Do this step for 3 other parts, and join the surfaces. Next, we need to blend the inner and outer surface… I used 0.5 for both sides blend bulge.

air_circ_image10.jpg

In the picture above you can see that I didn’t use blend for connecting the two network surfaces, instead I used . Do that 3 more times for other surfaces.

And for the little 3 curved surface corners I used :

air_circ_image11.jpg

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3 Responses to “Help modeling air circulator”

  1. rhino says:

    where are the blueprints?

  2. Ivan Vuzem says:

    sorry, forgot to include the link… thanks

  3. Dioniso says:

    Another excelent tutorial. Great job!

    I had some troubles (image50) to fillet the edges of the circulator. I had to do the piece again and again… somehow it worked out.

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