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Old 28th May 2010, 01:23 PM   #1
lordfly
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Default Making an arch

Okay, so I'm designing a structure and I'd like to have an arch shape to stick between support beams or whatnot.

This is what I'm trying to do; I'm making a 32-segment disk, then making another 32-segment disk, slightly smaller so it can fit perfectly inside the original disk. Then, selecting first the original and then the second, I'm trying to do Boolean operations on them. They are, apparently, ending in absolute disaster. Vertexes become unhinged, random pieces are deleted, the shape collapses on itself, and other geometric horrors. Obviously I'm doing this wrong.

is there an easier way to make an arch? I don't want to draw one free-hand; that would take far too long and look horrible.
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Old 28th May 2010, 01:35 PM   #2
lordfly
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Default Re: Making an arch

Ah. Figured it out. Make a circle, then make a hole.
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Old 9th June 2010, 12:54 AM   #3
Dicon
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Smile Re: Making an arch

What I did was to make a cube, rotate 180 degrees with maybe 12 segments so that both ends face downwards, then extrude both of those faces down to the floor. One good side effect is that when texturing the arch curve, you can give the segments a "separate stone" effect by mapping a shaded square into each one.
Good luck.

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