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How to 'hold' a snap

dylan.astawa
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How to 'hold' a snap

dylan.astawa
Participant
Participant

Hey all!

 

So starting a job that utilises AutoCAD straight after graduating from 4 years of using Rhino in uni has created one frustrating situation in which I have to relearn CAD habits that I've been accustomed too. One such issue is the ability to 'hold' onto a snap as i move view or drag my mouse across the screen. In Rhino you are able to confirm and select a snap point by pressing Alt, you can then change your view/manoeuvre around the screen without fear of loosing the snap point as Rhino will continue to hold onto the snap selection until you select a new point or escape the hold.

 

For example, I want to draw a line to continue a kerb for a road project. Beneath the kerb are multiple services crossing the path of where I need to draw my line. I want to use the 'extension' snap to make sure the new kerb is following the existing kerb. After a minute of hunting the snap and actually getting the extension to show, I following the green dashed line to try to hold onto the extension snap, but as I zoom out to continue the line AutoCAD looses the snap and I have to go back to hunting the extension snap again. If I pick a starting point and try to hunt the extension command at the point I wish the finish the line it doesn't show up.

 

I'm sure this is a very simple fix that I'm completely missing, but  from what I've read online no one has answered this question. How do I confirm a snap and make AutoCAD hold onto that snap like Rhino does?!

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dbroad
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The extension snap won't work if you zoom while using it, period.

Alternatives:

1. Temporarily align the ucs with the curb line. (ucs obj <pick>).  Then start drawing the line, hit F8, point direction and type distance. To return to world, ucs and hit return twice.

2. Lengthen curb to be as long as you want. Use total option or delta option. If you need two lines, copy or draw a small line extension and then lengthen.

3. Draw a bounding object. Start extend, pick bounding object and pick object to extend.

Architect, Registered NC, VA, SC, & GA.
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