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How to Create Arcs of Uniform size?
OK this is a follow on question from my previous question on modelling the head of a bolt. Basically I've scaled the head of a bolt up by a factor of 10 so I can radius the corners of the bolt before scaling it back down. However I'm wondering is there any way to ensure each arc radius is the same and starts and finishes at the same points on all six points of a hex bolt head ? I hope this clear but im an old time Auto CAD user and while im still excited with Sketch Up as its great at quick architectural presentations of concepts im beginning to realise it simply doesn't have the power or complexity to manage the realistic modelling of actual real life items like professional packages can. Shame as I do like the feel of its interface.
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RE: How to Create Arcs of Uniform size?
I would set a line or guide point at the center of the polygon before drawing the arcs (there's a ruby script you can download that gives you an 'Point at center' option in the context menu).
After drawiong the first arc, you could then select the arc line and then do a rotate/copy from the center point, starting at one of the polygon vertices to the next adjacent vetex, and then type "5x [Enter]"
in order to get the rotate tool to copy, you would press the Option key on a Mac and the CTRL key on a PC.