A donut looks like a wide circle with a hole in it but is actually made up of 2 semi-circle polylines. You can use donuts for electronic schematics, as trees or bushes, or as symbols.
Here are the steps to create a donut:
- Choose Home tab and expand the Draw panel to find the DONUT command, or type donut.
- At the Specify inside diameter of donut <2.0000>: prompt, type the diameter of the hole. To create a filled circle, type 0. The command remembers your previous diameter and uses it as the default.
- At the Specify outside diameter of donut <4.0000>: prompt, type the diameter of the entire donut.
- At the Specify center of donut or <exit>: prompt, place the donut by specifying where you want its center to go.
- The command repeats automatically, so the next prompt is Specify center of donut or <exit>: Continue to specify center points or press Enter to end the command.
Fun fact: You can type doughnut to start this commend.
What do you use donuts for? Or, did you use donuts in the past and replace them with something else? leave a comment to share your experience!
Ellen Finkelstein is the author of the best-selling AutoCAD & AutoCAD LT Bible, which started with R14. Ellen has written extensively on AutoCAD, including articles for Autodesk’s website and features for AutoCAD’s Help system. Ellen’s first book was AutoCAD For Dummies Quick Reference.
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Donuts do not have to have a hole. Just use 0 for an inside width.
These can be used to represent rebar cross sections. We have a block
library called rebar and in the library, we have blocks r1 thru r18 defined
and each block is a rebar cross section drawn at the correct size. Put
these calls in a pop menu or tool palette and you always have the correct
size rebar section at your finger tips for insertion.
I have worked for companies that use this if they want to show a solid color circle. Just specify the outside diameter and set the inside diameter at .010 or so. The other alternative is to draw a circle and hatch with the SOLID pattern. DONUT is easier.
I can’t remember the exact application but I remember using it a lot when drawing valve symbols for Piping and Instrumentation Diagrams.
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