Modeling Kent hair brush

STEP 2

In this step we will create everything else. Little handle details, and the pins…

Lets make that handle grip. Create a rounded rectangle, so using rectangle command (click on Rounded option) create one rounded rectangle. Using end or mid option in Osnap, align that rectangle on the mirroring line with near osnap option.

hair_image6.jpg

Using circle command, create two circles, one with 4 units diameter, and one 5. off the parts you don’t need, and using command, copy that 4 times. The last one is slightly scaled down with Scale command.

hair_image7.jpg

You need to project the rounded rectangle on the upper surface of your base model (Project command). Then, using rounded rectangle, make a hole in your base model. You’ll do that with makehole command. Prior to that, you need to make sure your surface normals are set to outside. Using command, check that. If the arrows point to inside, then you need to change that with command. Then, make a hole deep about one unit.

hair_image8.jpg

Next, I have isolated everything except that rounded rectangle curve (using Hide command, or you can put everything in one hidden layer) to make things easier.

Using , create a surface out of that curve.

hair_image10.jpg

Align those moon-shaped curves so they are in the same plane as that surface, and using command, split the surface, and move the split surface up by 0.2 units. Using command, connect the edges 1 and 2 like on the image:

hair_image12.jpg

Next, those surfaces, and fillet the edges with command with 0.07 units. I have tried even bigger radii, but it didn’t work…

Next, extrude the outer edge, and fillet it with 0.1 units.

hair_image13.jpg

Again, like above, make a rounded rectangle, and Project it on the top surface. Using that projected curve, make a hole.

hair_image15.jpg

Using that projected curve (rounded rectangle), we will create a cushion for pins.

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14 Responses to “Modeling Kent hair brush”

  1. J Y says:

    How do i hide the bitmap image afterwards?

  2. J Y says:

    there isnt a makehole command in rhino 3

  3. Ivan Vuzem says:

    yeah, sorry for that, MakeHole is since Rhino v4.0.
    For hiding the bitmap go to View->Background Bitmap->Hide

  4. kmhgfxj says:

    “Next, using two closed curves, and this profile curve, create connecting surface. We’ll do that using Sweep2 command.”

    havin’ trouble with that because i cant make a single closed curve out of that jumble of curves.
    please help

  5. Ivan Vuzem says:

    this is pretty simple. There shouldn’t be a jumble of curves, there should only be two the same outline curves, and one (arc-like) curve. And when you do a sweep2 you need to specify those two outline (closed) curves as two rails, and that arc-like curve as cross section curve.
    You should press F1 when in sweep2 command to get more help for that command.

  6. leyla says:

    how can i make the last step i have the pins and body but i cant connect pins and boday as you told …. could u help me

  7. Ivan Vuzem says:

    if you have a pin, and the cushion surface, then using OrientOnSrf position your pins at the crossings of 45 degree lines

  8. leyla says:

    hey thanks and i have ony 1 pin actually i made others manually could u tellme how did u do,? i fallow the steps but coundt do like u , i mean count ahve pins , i made them copy paste manuallt thanks

  9. Ivan Vuzem says:

    maybe I have confused you when I mistyped the command. It should be OrientOnSrf. So, when you start that command you get the options window in which you have Copy objects checkbox, and ther you check, so you copy and orient your pins on the “cushion” surface.

  10. Nerone says:

    very interesting tutorial!
    thanks for your work man 🙂

    i had only one problem… it never let me fillet the lower edges of the grip handle
    don’t know why..

    the orient on surface is a great command ^^
    never used before

  11. Elvir says:

    Another great one. Why you didn’t made some kind of musician instrument, like guitar?

  12. Cris says:

    Very cool tutorial… i got it right the first time. Thanks!

  13. Hy says:

    thanks. its a very good beginning lesson. now i only have to memorise the commands.

  14. Christina says:

    Hey… Thanks for your video 🙂 Lets say I have made a cube, how can i divide the cube into different colours (around 3) when I render?

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