As taught by Lewis, I started with this curve which I lofted (surfaces, loft) into the wheel shape below:
making sure to select polygons and control points.
Some more lofting, this time to start making the body. I hid the wheels (ctrl-h) so I could better see what I was doing:
The pink lines show the mesh that I created from the curves. I found that by selecting all three of the curves in order from left to right and then doing the loft, it could be done in one step.
Selecting edges and extruding to develop the mesh. I used 'bridge' to close the gap from top to bottom. However this sometimes added extra faces, and I have found that the 'append to polygon tool' is more reliable.
To round up this week I extruded the engine hole inwards and rounded my wheel holes. Someone gave me the tip that in order to see the image planes while having 'x-ray' on the geometry, simply adjust the transparency on the material, in this case the default, 'lambert1':
I snapped the vertices of the wheel holes to a cylinder by hold ing 'v' whilst dragging each vertex. By selecting only the x or y arrow on the pivot I was able to stop them from sticking out from the rest of the model. This means that the holes should stay circular when smoothed.
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