AutoCAD 2021 tips and tricks

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CAD tips and guides for Autodesk CAD/BIM applications - AutoCAD 2021

In this knowledgebase (blog) you can find small tips, hints, secrets and tricks shared by ARKANCE experts, which - as we hope - help you learn to use your Autodesk and ARKANCE Be.Smart products more efficiently. ARKANCE (in Czechia - former CAD Studio) is a worldwide Autodesk Platinum Partner, Developer and Training Center since 1990. See also our custom software development services.

2397 newest tips for the software AutoCAD 2021

CAD: -all- AutoCAD-2022-2023-2024-2025-2026AutoCAD LT-LT2022-LT2023-LT2024-LT2025-LT2026InventorRevitCivil 3DACAD MechanicalACAD ElectricalArchitecture/ADTMap 3DPlant 3D/P&IDTopobase/MapSrvRaster DesignACAD/Revit MEP3ds MaxMayaVaultFusion360ReCapInfraworksNavisworksAdvance SteelRobot StructuralSimulationFabricationBIM 360/ACCBIM/Fusion TeamFormaA360 cloudDWFTrueView/VoloEnscapeVREDPowerMillFeatureCAMTinkercadCollectionBluebeamBe.Smart OS:  -all-Windows-Win11-Win10-Win8-Win7-Vista-WinXP-Win2000-NT4-Win98LinuxMacOSAndroidiOS Categ:  -all-CADCAMPlottersHP (other) Text:  FAQ

Question

CAD 

 %  platform  category 

Q

DWG drawing version history directly in AutoCAD.

A

  Tip 13459

ACAD2023ACAD2021ACLTCivilADT...

*CAD

4.9.2022  

Q

Dynamic entry of rectangle dimensions - AutoCAD 2021.

A

  Tip 12550

ACAD2021ACLT2021

*CAD

25.3.2020  

Q

Thumbnail settings can influence AutoCAD DWG file size.

A

  Tip 8754

ACAD2021ACAD2018ACAD2013ACLT2...

*CAD

9.8.2012  

Q

Adding nearby points as additional vertices of a polyline - AddPolyPts.

A

  Tip 15094

ACADACADMPlantCivil3DACADEA...

*CAD

10.7.2026  

Q

3DPlot - 3D math surfaces in AutoCAD.

A

  Tip 15090

ACADACADMPlantCivil3DACADEA...

*CAD

9.7.2026   FAQ  

Q

2DPlot - parametric math curves in AutoCAD.

A

  Tip 15089

ACADACADMPlantCivil3DACADEA...

*CAD

9.7.2026   FAQ  

Q

Parametric labeling/numbering in AutoCAD Electrical.

A

  Tip 15070

ACADE

*CAD

27.6.2026  

Q

AutoCAD Mechanical 2027 reports that gendimz.mld files cannot be found.

A

  Tip 15053

ACADM2027

*CAD

11.6.2026  

Q

When you try to change the viewport annotation scale, the error "XRef lock" appears.

A

  Tip 15042

ACAD2027ACAD2026ACLTCivilPla...

*CAD

4.6.2026  

Q

Autodesk Flex Token Calculator - "Pay-as-you-go" pricing for licenses and services.

A

  Tip 15040

ACADACADMPlantCivil3DACADEM...

*CAD

2.6.2026   FAQ  

Q

Texts exported from AutoCAD to PDF appear slightly smaller and misaligned.

A

  Tip 15038

ACADACADMPlantCivil3DACADEA...

*CAD

31.5.2026  

Q

How to control the agentic mode in Autodesk Assistant (AI)?

A

  Tip 15022

ACAD2027Inventor2027Civil2027...

*CAD

20.5.2026  

Q

AutoCAD Drawing Cleanup Utility - a standalone tool to purge your DWG files.

A

  Tip 15017

ACADACADMPlantCivil3DACADEA...

Win11CAD

13.5.2026  

Q

Why doesn't AutoCAD display the Length, Width, and Height properties of a 3D box?

A

  Tip 15014

ACADACADMPlantCivil3DACADE

*CAD

11.5.2026  

Q

In AutoCAD, the Ortho mode on the Shift key suddenly stopped working.

A

  Tip 15007

ACADACADMPlantCivil3DACADEA...

Win11CAD

5.5.2026  

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