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Is there an easy way to cut part of a circle out? Ex. If I have a full circle and I want it to be 70%. Is there a way to do that by typing in a % somewhere?

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2,3492,3493,204UK, Cameo, Serif Draw, Win10.

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3,204UK, Cameo, Serif Draw, Win10.

Link to My Craft Bazaar|Link to Skool|Force Bazaar - ArchimedesFeel free to use anything in these links.

2,3491582,890You can make the

wholecircle 70% in size by: entering 70% in the width and height. For example, if you start with a 1" circle you will end up with a .70" circle.In MTC, you can do this with any shape - increase or decrease by percentage.

4,399It would likely be much easier to use a program, such as Excel, which can create a pie chart with a 30% slice removed. Then you could use copy and paste to move it into MTC. Once it is in MTC, it would be a vector object which is easily resized to whatever you need.

9,5632,9861582,925but I was thinking the same 30% of 360 = 108

@Leslie6111 ; I think you may have kept the wrong angle to cut out though

MTC does have a rather crude rotate by angle in the Advance Setting so setting that to 108 deg and holding ctrl while dragging the rotate handles while cause the object to snap at 108 deg intervals

It only twigged that the angle looked wrong as 75% would be 3/4 of the circle so 70% would be slightly less than that wouldn't it ??

Hope I got that right ....haven't had my coffee yet either

Paper Modellers I RevereMarc Hagan-Guirey-----Yoshinobu Miyamoto-----Peter DahmenGallery ID #26944 -----

Link to My CloudHave a Look your Welcome to Make Use of the Files5,2732,925Actually it was easier than I thought once I tried

I wasn't sure how I was going to align the point of the triangle and the centre of the circle until I tried

So first some really trick calculating Math?? ..bahhh!! that's what the internet for

http://www.calculator.net/triangle-calculator.html

we just need the calculate the height ?

More Math ?

http://www.calculatorsoup.com/calculators/geometry-plane/triangles-isosceles.php

So select the equatorial triangle from basic shapes set the width at 1.618" and the height at hb 0.587809"

Also select a circle from the basic shape and set the Diameter to 1.175618" (2 x the height of the triangle) this will make aligning easier I think ?

More MATH

Select both and press V to vertically align and B to align to bottom

As the diameter of the circle is twice the height of the triangle the point of the triangle should now be at the centre of the circle

Boolean join difference

you can now size proportionally and or rotate the circle to suit your needs

Join just for comparison I compare this method and the one Leslie suggested (in red)

Paper Modellers I RevereMarc Hagan-Guirey-----Yoshinobu Miyamoto-----Peter DahmenGallery ID #26944 -----

Link to My CloudHave a Look your Welcome to Make Use of the Files1## but I was also thinking the same 30% of 360 = 108

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