Square on circle?


#1

How do I draw a square exactly centred on a circle?


#2

you can draw a four sided circle…

john


#3

Or a 4-sided polygon with the Polygon tool.


#4

Thanks, but I can’t see how to specify either of the above?


#5

Look at the Measurements box when you select the tool. Select the tool and before you click to set its center, type 4 and hit Enter.


#6

Just a quick one then…


#7

How come you don’t have the Circle tool on your custom toolbar?


#8

Having great difficulty sussing this out. One reason is that despite trying to zoom in, my 8mm radius polygon is just a dot. Can I first type in a workspace size, say about 150mm wide? Also is there a beginners youtube video or something that might help me get started with the basics?


#9

You raise a good point! I have moved it to another (instead of copied by accident by the looks), that I usually use just for gifs.

I didn’t notice because I have the shortcut C for it and always use that.

Problem rectified, you have a very beady eye Dave :grinning:


#10

Thanks for the animation Thorleyan. You have done pretty much what I am trying to do, but I want the side of the square to be the diameter of the circle 16mm. Also in a workspace I can see it.


#11

No. But you can zoom in on your circle using the scroll wheel on the mouse or the Zoom tool. The scroll wheel is easier and a better option.


#12

Start drawing the polygon and then hit Ctrl. Drag out a bit and type 8mm and hit Enter.


#13

You could also draw the shapes (a four sided polygon and a circle) then register them using the centre inference - a polygon, like a circle, has a centre inference point in SU 2016 and above.

Your profile doesn’t say what version of SU you are using.


#14

Thanks, I have just downloaded SU2017 pro trial. I was going to hand draw with ruler and compass etc. a small metal item that I need to get machined, but feel it would be very useful to have it in 3d using Sketch Up. I really think I need to study a basic beginners video before going further. A URL would be useful.


#15

https://www.sketchup.com/learn/videos/826


#16

Marvellous thank you. I will have a study at that and hopefully come back here with more intelligent questions :slight_smile:


#17

When the Pro trial expires, it will stop working unless you buy a license.

You should download Make, if your use is non- commercial, and if that isn’t what you got in fact - it also gives you a trial period of using the Pro version


#18

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