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Over 1.111.000 registered users (EN+CZ). AutoCAD tips, Inventor tips, Revit tips, Civil tips, Fusion tips. The new Beam calculator, Spirograph generator and Regression curves in the Converters section.

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CAD Discussion
Forum - 36,961 postings

Discussion forum to Autodesk products - AutoCAD, LT, Inventor, Revit, Civil 3D, Fusion, Vault, Max, ACC, Be.Smart, etc.

List of Dynamic Block Cranes

AutoCAD

yesterday 10:47

Graphics issue with Arial Font

Civil 3D, Map, InfraWorks

23.1. 14:50

Lisp replacing blocks in a drawing by xrefssimilar

AutoCAD

20.1. 15:32

Confused about an exercise from a book

CAD - general

20.1. 13:23

Dynamic block for Mobile Crane Liebherr LG1750

CAD - general

20.1. 8:45

GPU in CAM

Fusion 360

19.1. 10:26

Multiple Independent Blocks

AutoCAD

12.1. 8:42

HOW CAN I KNOW THE TOTAL SUM OF SEVERAL LINES

AutoCAD

10.1. 21:17

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3,772 CAD Tips
and Tricks, Knowledge Base

Hundreds of tips and tricks for CAD/CAM, BIM, PDM and GIS products by Autodesk and ARKANCE

Unfolding of general polygonal 3D meshes (mesh unfolder).

Safety Railings - details automated with Smart Connections.

Suddenly, I can't resize the Open dialog box in Inventor.

Quick insertion of concrete column shoes in Revit.

AutoCAD reports "U command disabled." My UNDO doesn't work.

How to find the radius of a fillet and transfer it to other corners? FBE

How to generate a Regression curve through a set of points in AutoCAD or other CAD?

Analysis of forces and deflection of a beam with supports - BeamViz.

Dictionaries and commands | Units | Formats | GPS | Autodesk update

Download CAD
applications & utilities- 4,059 files

Hundreds of CAD files for download - utilities, patches, service packs and libraries

STLin - import ASCII STL files (3D models) into AutoCAD (VLX Lisp for AutoCAD)

Unfold - 3D mesh flat-pattern unfolder with glue tabs, fold lines and refold animation, experimental (VLX LISP for AutoCAD)

Èeská lokalizace pro Autodesk Fusion (Win64 a MacOS, zdarma)

Autodesk Fusion (MacOS, incl. Ventura/Sonoma, Apple Silicon) - cloud 2D/3D CAD/CAM/CAE, trial, free for startups, EN/DE/CN/JP (v.2606.1.22)

Autodesk Fusion (Win11) - cloud 2D/3D CAD/CAM/CAE, trial, free for startups, EN/DE/CN/JP (v.2606.1.22)

BlockToXref (B2X) - replace blocks with same-named xrefs (LISP for AutoCAD)

FBE - Fillet by Example - pick an existing fillet to fillet the same radius (LSP for AutoCAD)

Regress - draw regression curve - optimized curve through a set of points (VLX LISP for AutoCAD)

COPY2LAY - copies selected objects to all specified DWG layouts (VLX for AutoCAD)

IFC for Revit 2024 (V24.3.40) - updated IFC import/export module (free)

CAD/BIM Blocks & Families
2D/3D symbols and models

Download AutoCAD DWGs, Revit RFA families, IPT/F3D models

3Dmeshes - DWG

3Dmeshes.DWG - Vladimír Michl - 27.01.2026 10:18:11

augmented truncated dodecahedron - DWG

augmented truncated dodecahedron.DWG - Vladimír Michl - 27.01.2026 9:25:37

Tridiminished rhombicosidodecahedron1 - ...

Tridiminished rhombicosidodecahedron1.DWG - Vladimír Michl - 27.01.2026 9:18:16

Liebherr LG 1750 - DWG

Liebherr LG 1750.DWG - Cfytr - 26.01.2026 21:02:31

Multiplicative_Nomogram_20.DWG, 19.01.2026 16:18:20

Multiplicative_Nomogram - DWG

Multiplicative_Nomogram.DWG - Vladimír Michl - 19.01.2026 16:18:20

CAD Blogs
articles and media

News from CAD magazines and blogs

Rozvin obecných 3D mesh sítí pomocí LISP utility Mesh_Unfold v AutoC

27.1.2026

CurveReg - regresní køivka v AutoCADu

23.1.2026

Multiplikativní nomogram - AutoCAD

19.1.2026

New online tools on CADforum.cz

15.1.2026

Jak konverzaèní AI zmìní budoucnost projektování?

15.1.2026

Efektivní spolupráce ve stavebnictví s ACC a Bluebeam

15.1.2026

Omezené info v nahlížení do KN? Pro zákazníky Arkance žádný problém!

9.1.2026

Jak mìnit ohniskovou vzdálenost kamery v perspektivním zobrazení Fus

27.12.2025

CAD Videos
examples, tips, how-tos

Rozvin obecných 3D mesh sítí pomocí LISP utility Mesh_Unfold ...

Rozvin obecných 3D mesh sítí pomocí LISP utility Mesh_Unfold v AutoCADu - 27.1.2026

CurveReg - regresní køivka v AutoCADu

CurveReg - regresní køivka v AutoCADu - 23.1.2026

Multiplikativní nomogram - AutoCAD

Multiplikativní nomogram - AutoCAD - 19.1.2026

New online tools on CADforum.cz

New online tools on CADforum.cz - 15.1.2026



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