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Def going to use some coding from this. Thought id share a few different options that i came up with over the years. check error message agaist a list (if (not (member msg '("Console Break" "Function cancelled" "quit / exit abort"))) (princ (strcat "\nError: " msg)) ) using cond inside setq for default option. (initget "Select Current All") (setq mode (cond ((getkword "\nMode [<Select>/Current/All]: ")) ("Select") ) )

Have you tried: https://www.lee-mac.com/associativecenterlines.html ?

As I state in the header, I found the AutoCAD dimension "MARK" to be less than useful, so over the years I have used my own, eventually writing some LISP, as well as having found the mentioned LISP by alanjt. I really don't care for mucking around with the new CENTERMARK either. Thought I might as well share it, some may find it handy. ;;; Replace Diameter/Radius dimension CenterMarks with two CENTER2 linetype lines. ;;; ;;; https://www.cadtutor.net/forum/topic/99350-center-mark-replacement/#findComment-680408 ;;; ;;; By SLW210 (a.k.a. Steve Wilson) ;;; ;;;| Since AutoCAD in there infinite wisdom makes the default dimdia and dimrad center marks useless by not allowing them to be associated by other dimensions and not allowing an individual color and linetype I came up with this little routine. Much faster, it was using some commands, I went to removing commands. I used to get rid of the default the drew a centermark and copied from center to center, a bit tedious at best. I started with this from Alan J Thompson, so thanks to him. ================================================================ Turn off the centermark for diameter and radius dimensions https://www.cadtutor.net/forum/topic/18792-request-routint-to-turn-off-center-mark-for-single-entity/#findComment-153451 By alanjt|; ;;; ;;; ================================================================ ;;; ================================================================ ;;; CtrMrkRep.lsp ;;; ;;; Replace Diameter/Radius dimension center marks with ;;; two CENTER2 linetype lines. ;;; ;;; ;;; AutoCAD 2018-2026 should work as well as BricsCAD and others. ;;; ;;; ================================================================ ;;; ================================================================ ;;; Original dimensions are retained. ;;; ;;; Replacement geometry: ;;; Layer : CenterMark ;;; Color : ByLayer ;;; Linetype : ByLayer ;;; Layer Color : ACI 5 (Blue) ;;; Layer Linetype : CENTER2 ;;; ;;; Modes: ;;; Select - manually selected DIMDIAMETER/DIMRADIUS ;;; Current - all such dimensions in current Model/Layout space ;;; All - all such dimensions in all paperspace layouts ;;; ;;; Associated dimension center marks: ;;; Disabled using ActiveX acCenterNone. ;;; ;;; Duplicate centers: ;;; Only one centerline cross is created for each unique center ;;; within each Model/Layout space. ;;; ================================================================ CtrMrkRep.lsp

Sure, I know what you mean. I have my own routine i spun years ago that i still use. i use a linetype scale ratio to keep the center with a single set of gaps and centermark. Although it's not perfect, it's good enough for me.

I know of that one, but my LISP replaces the centermarks for dimdiameter and dimradius, by selection, by current or all. I could possibly add reactors to mine, not sure it's necessary.

When you mention dimension mark I assume you’re referring to AutoCADs original DIMCENTER command which I agree is quite useless. But I do think the number of commands beginning with the word center introduced back in 2017 were a lot more useful since finally the “marks” can now be made associatively to the objects selected.

I followed this method as well. I avoid using surfaces whenever possible due to problems (sometimes) with converting them to solids.

I doubt if this has anything to do with AutoCAD, usually if the print preview is correct it goes to something past AutoCAD. Autodesk site recommends changing the "Capture fonts used in the drawing" to "Convert all text to geometry" for PDF specific font issues, is this an option for you? Did you try some of the other PDF plotters, full AutoCAD has a few more, I would think LT does as well? Did this start after a Windows update or the AutoCAD update?