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Monday, April 14, 2008

Modeling Timelapse of Bowden Bicycle Frame


Here's a quick timelapse video that I created to help one of the BlenderNewbies forum members working on a personal project of modeling a classic Bowden bicycle.

It's not perfect or complete and, there's no audio. It's just a quick demonstration of one way to approach modeling the main part of the framing. There are some errors, but I just left the "camera" rolling . The setup portion is in real-time and the actual modeling part is sped up to keep the video size reasonable. The entire process took about 25 minutes.

I'm sure I'll be posting more of these types of "over the shoulder" videos because I think there's opportunity for learning just by watching the process unfold.

Watch the tutorial online Update - Faster loading video!
(MOV, Length - 4:37, Size - 23.6MB, Res. - 640 x 480)

Here's a link to the WIP thread.

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Iván Egües said...


Anonymous said...

Excellent !
I love to see different modelling techniques.

James Tuvell said...

Again I have to say Thank you! You are the man Kernond!

Joshua Maines AKA FJGamer said...

20kbps, alright! lol, I'm on broadband, but it still goes insanely slow.

Anyway, thanks, I will watch this video later, and it looks like it may help me model using a reference. (I'm going to be making 3d models of my character sketches.)

Joshua Maines AKA FJGamer said...

25mb for a 4-minute video. Ouch. Ever consider encoding in RM or WMV format? Possibly a low-res, Youtube-style flv?

Well, I watched it, and I never approached modelling that way. I always started with the cube. Thanks for the tips :)

Kernon Dillon said...

Thanks for the comments!

Starting with a cube (and a mirror modifier) is good if the subject is more complex like a face. I started with a plane because I knew that I only needed to create a profile of the reference and would then extrude it. With the plane, it's much easier for something like this because you don't have to worry about selecting hidden vertices. With the cube you have to contend with the geometry on the opposite side.

I used the 2.46RC1 version of Blender that has the Drag Immediately feature. Simply drag and drop things without the extra clicking. Sweet!

Jonathan-David SCHRODER said...

you could have created all of this with bezier curves (including for making the whole), then extrude directly if you want. Convert to mesh and make adjustments.
That would have been so much quicker.

Thanks for your video though.

Kernon Dillon said...

Yeah, that would work too. I covered that process in the "Modeling the Blender Logo" tutorial. The only issue with using curves is controlling the resulting mesh topology. There would be a lot of cleanup required and probably way too many vertices.

James Tuvell said...

I actually tried using bezier curves first when I made the body of the bike. After converting it to a mesh I realized it would not work because it made such a lot of triangles and other odd mesh problems that I just abandoned that attempt and tried to use cube extrusion. That is when Kernond made this wonderful video. I tell you it is my preferred way of handling it now. By using this method the resulting mesh is clean of triangles and was easy to extrude other necessary structures from.

Jonathan-David SCHRODER said...

Hi, I understand what the two of you mean.

Victor Westmann said...

Hey dude. Quite an excellent movie/tutorial! Its just a pitty that im a blender newbie and couldnt follow your vid step by step because some steps you made through the keyborard... otherwise I'd be able to follow the entire video! But its still an awesome technique. Thanks for sharing!

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