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Concrete hatch has for a long time been a disappointment for some. The reason being that people are hatching some concrete in Svalbard in a drawing that has its origin on the equator and using mm as units! When one looks at the hatch definition, the distances and angles are not defined to enough decimal places. So I thought I would try and see if I could do better using trigonometry to calculate the amounts. Non-rational numbers need to be defined to as many decimal places as possible if they are to be used a long way from the origin. But the hatch definition file has a line limit of 80 characters. Any longer than that, and one gets a warning in AutoCAD. Here is the file definition and a picture of the hatch a long way from the origin. Those able enough can copy the file and overwrite the supplied Concrete Hatch. *aaconc, updated concrete hatch (random dot and stone pattern) 50, 0,0, 4.1297503417,-5.8978947189, 0.75,-8.25 355, 0,0, -2.0378120728,7.3723683986, 0.60,-6.6 100.4514447435,.598,-.0523,5.73058713914,-6.93976736215,0.63740192,-7.0114211171 46.1842,0,2,6.19462551259,-8.84684207832,1.125,-12.375 96.6356447435,.889,1.862,8.5958807087,-10.4096510432,0.9561028796,-10.5171316757 351.1842,0,2,7.7432818907,11.0585525979,.9,-9.9 21,1,1.5,4.1297503417,-5.8978947189,0.75,-8.25 326,1,1.5,-2.0378120728,7.3723683986,0.6,-6.6 71.4514447435,1.497,1.164,5.73058713914,-6.93976736215,0.6374019197,-7.011421117 37.5, 0,0, 2.123,2.567, 0,-6.52,0,-6.7,0,-6.625 7.5, 0,0, 3.123,3.567, 0,-3.82,0,-6.37,0,-2.525 -32.5, -2.23,0, 4.6234,2.678, 0,-2.5,0,-7.8,0,-10.35 -42.5, -3.23,0, 3.6234,4.678, 0,-3.25,0,-5.18,0,-7.35 *eldon

Yes, you're right! For my CUI View, Twist command: Command Name View, Twist Description Set DVIEW TWist by picking or entering. Macro ^C^C_dview;all;;tw;\;^P(progn(setvar "snapang" (- (getvar "viewtwist")))(princ)) Both Images ViewTwist.png Image attached below BlackBox's View, TWist ↔ command with his code saved as "TWist.lsp" in a folder in both Support Path and Trusted Folders: Command Name View, TWist ↔ Description Pick two points.to Set DVIEW TWist. Macro ^C^C^P(or C:TWist (load "TWist.lsp"));TWist Both Images ViewTwist.png Both commands added in a drop-down in a custom View panel of our custom partial CUI.

You will have to pick a direction or enter a TWist value. DVIEW is an AutoCAD command and TWist is the command option for what you want done. The TWist value is stored in the viewtwist system variable. The portion below simply sets the snapang system variable to put the crosshairs horizontal. ^P(progn(setvar "snapang" (- (getvar "viewtwist")))(princ)) You don't need it in the macro unless you want the snapang to be horizontal. BlackBox's lisp version from the link allows you to snap to two points (osnap set to nearest) on a line to make that line horizontal in the viewport.

As you are using AutoCAD 2021 try the updated MEASUREGEOM command to quickly display lengths, angles, and areas: https://knowledge.autodesk.com/support/autocad/learn-explore/caas/CloudHelp/cloudhelp/2021/ENU/AutoCAD-Core/files/GUID-5D5B0EE1-DD90-47AE-8A55-642FBFF5E4E4-htm.html

I've never used MVSETUP through paper space viewport to align and rotate a view for that reason. I used a DVIEW TWist macro for years, but BlackBox wrote a lisp that works really well: https://forums.augi.com/showthread.php?174367-multiline-text-rotation&p=1344593#post1344593 My current macro: ^C^C_dview;all;;tw;\;^P(progn(setvar "snapang" (- (getvar "viewtwist")))(princ)) Had to update my macro a few versions back so this version should work for an older version: ^C^C_.DVIEW;;_TW;\;^P(progn(setvar "snapang" (- (getvar "viewtwist")))(princ))