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Ads portal is a web service by CAD Studio Inc. (former Xanadu; Autodesk Platinum Partner based in the Czech Republic) featuring thousands of free CAD tips, utilities, 2D/3D blocks, videos, glossaries and discussions.
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CAD Tips, Tricks, Discussion and Blocks

This site gets about 500.000 unique visits monthly. CAD/BIM block library with almost 12.000 blocks. Autodesk 2016 products (builds). Tips for AutoCAD 2016, Revit 2016 and Inventor 2016.

HelpCAD Discussion Forum - 29,717 postings, 620,891 registered users

Discussion forum to Autodesk products - AutoCAD, LT, Inventor, Revit, Civil 3D, Map, etc.
Fillet Command Forum: CAD - general 4.2.2016 14:38
Autocad A3 and A4 Drawing Templates Forum: AutoCAD 4.2.2016 11:45
Autolisp error message Forum: AutoCAD 3.2.2016 19:09
Good PC for AutoCAD to upgrade? Forum: AutoCAD 3.2.2016 11:38
text height in different scales. Forum: AutoCAD 2.2.2016 16:44
multiple tags with same value within a block Forum: AutoCAD 2.2.2016 14:32
MOULDING DESIGN Forum: CAD - general 2.2.2016 12:34
AutoCAd Product ID Forum: AutoCAD 2.2.2016 11:57
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2,816 CAD Tips and Tricks - updated 2.2.2016 

Hundreds of tips and tricks for Autodesk and HP products
Easier scaling of Inventor parts.
How to draw a catenary or other parametric curve in Inventor?
How to add the unfold rule name as a drawing note?
How to change focal length in the A360 Mobile viewer.
How to create a profile from imported XYZ points in Fusion 360?
Modeling compression injection screw for molding machine.
How to find which AutoCAD version was used to save a particular DWG drawing?
List of blocks (incl. nested blocks) used in a DWG drawing.
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New CAD Blocks

TU-144.dwg, 7.2.2016 9:13:49
TU-144 - DWG
Audience-116.rfa, 6.2.2016 12:24:14
Audience-116 ...
Cbl-Hook_H-433-S_Triple-Wall-Mnt_Mono-Syste.rfa, 6.2.2016 12:23:14
Cbl-Hook_H-4 ...
CBL-Tray_Mono-Tray_C58_Mono-Systems.rfa, 6.2.2016 12:21:48
CBL-Tray_Mon ...
PDPF-10-Candeo.rfa, 6.2.2016 12:19:49
PDPF-10-Cand ...
EVO-ALED-6-Open.rfa, 6.2.2016 12:18:08
EVO-ALED-6-O ...
AF-6-Open-TRT.rfa, 6.2.2016 12:15:47
AF-6-Open-TR ...
SQF-4.rfa, 6.2.2016 12:14:15

Download CAD Files - 2,526 files - (8,566,662 downloads)

Hundreds of CAD files for download - utilities, patches, service packs and libraries
Update 2 for Autodesk Revit LT 2016 Release 2 (16.0.1108.0, 20160126_1600)
Autodesk Revit LT 2015 R2 Update 12 (SP12,UR12)
Autodesk Revit Architecture 2015 R2 Update 12 (SP12,UR12), EN/CZ (build 20160120_0715), for R2 UR10
SlopeV - křivka se segmenty zadanými horizontální délkou a sklonem (úhel,%,‰,1:X) - LISP pro AutoCAD …
Autodesk Fusion 360 R2 - cloud 2D/3D CAD/CAM/CAE, trial, Win64, EN/CN/JP (V2.0.1909)
Update 2 for Autodesk Revit 2016 Release 2 (16.0.1108.0, 20160126_1600)
Update 2 for Autodesk Revit Architecture 2016 Release 2 (16.0.1108.0, 20160126_1600)
ČSN tabulka děr pro Inventor 2016 (CS+)
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