AutoCAD 2008. Inverted Xclips

Clip the inside of the frame inside of the outside when using the XCLIP command.
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From 2008 version we can create a cutout in the middle of an xref or block using xclip. Before selecting or creating the polyline we have an option called "inverted clip" which will make the part of the object inside of the polyline disappear instead of the outside.
If you look at the command line, after running the XCLIP command and have selected teh object you want to clip, you will bsee this line:
[Select polyline/Polygonal/Rectangular/Invert clip] :
If you type "i" and press enter, you will be inverting the way the XCLIP command works, so instead of keeping the inside of the frame and hiding the outside it will do the opposite. Once you have clipped the XREF you can actually modify its frame later, see this post and video for how to do that.

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AutoCAD: Creating Circular Wipeouts

How can you trick AutoCAD to make circular Wipeouts?
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A problem often found is when we want to create a wipeout based on a polyine with curved segments or simply a circular wipeout. AutoCAD won't allow us to do it since wipeouts must be made from polylines containing only linear segments.
There is an easy trick to "cheat". If we want to create a circular wipeout, we wil create a 100 sides polygon instead of creating a circle. That way AutoCAD will accept the polyline and visually it will be like having a circular wipeout.
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AutoCAD Command: Snapang.

Is your Crosshair on a different angle than the UCS? SnapAng command will help you change this.Sometimes you might find a file where the crosshair is tilted although the UCS is aligned to the view. You might get crazy trying to align the crosshair with the UCS if you don´t know the SNAPANG command.
SNAPANG controls the angle of the grid so the crosshair is aligned to it. If you find a file where the crosshair is tilted although the UCS is squared with the view type SNAPANG and type "o" as the angle. THe crosshair will automatically go bacK to its "normal" position.
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