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Patches + updates
Inventor, HSM/CAM, Fusion 360, Factory, Alias
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Go to file Knihovna materiálů CAD Studia (ČSN, konstr.oceli, polyamidy, spoj.mater...) pro Inventor, Fusion 360 , AutoCAD a další (.adsklib) - CS+ External 1.3MB 2.6.2020 More information  
 
Free applications and CAD utilities (mostly our freeware & trials)
Our shareware (trial)
Go to file Hatch2GIS - convert AutoCAD hatches to GIS polygons with basic attributes - SDF or ESRI SHP (for Civil/Map 2020-2016) External 948kB 10.6.2019 More information Buy
Go to file SplineConvert - convert splines, ellipses, arcs to 2D polylines (A2002, trial) 210kB 12.12.2002 More information Buy
Go to file SplineConvert 2006 - convert splines, ellipses, arcs to 2D polylines (A2006/2005/2004, trial) 210kB 15.6.2006 More information Buy
Go to file SplineConvert 2009 - convert splines, ellipses, arcs to 2D polylines (A2009/2008/2007, trial) 461kB 29.5.2008 More information Buy
Go to file Xls2Curve/Curve2Xls - draws curves or points from coordinates in the selected range in the active Excel sheet, exports polyline/curve coordinates to Excel (trial version) 47kB 28.8.2014
V1.4
  Buy
CAD Utilities and add-ins
Go to file 2D3Dpoly - converts 2D polylines to 3D polyline objects (VLX Lisp for AutoCAD) 13kB 11.10.2016
V1.1
   
Go to file 2DpolyC - draw polyline using any length units (yd, ft, mi, inm, rod...) VLX LISP for AutoCAD+LT 19kB 19.12.2023
V1.1
   
Go to file 2Dunfold - unfolds 2D curves to straight polylines (VLX for AutoCAD) 12kB 19.4.2009
V1.2
   
Go to file 3DPolyC/3DPolyS - draw 3D polyline by entering 3Dlength,azimuth,slope or elevation,slope,2Dpoints (VLX Lisp for AutoCAD) 16kB 4.1.2018
V1.2
   
Go to file AddArea - add total area of polylines, regions and hatches by layers (VLX for AutoCAD) 21kB 9.12.2022
V1.6
   
Go to file AddV/DelV - interactively adds or deletes 2D/3D polyline vertex by picking (VLX Lisp for AutoCAD) 19kB 11.10.2019
V1.5
   
Go to file ASCPOINT.LSP - imports a coordinate text file into AutoCAD points, polylines or block copies (T.Tanzillo+CADstudio) 12kB 21.1.2020    
Go to file BreakPls - breaks selected polylines at point objects (VLS Lisp for AutoCAD) 14kB 7.4.2020
V1.1
   
Go to file CADexcel - MS Excel plugin for importing XY/XYZ coordinate from Excel to AutoCAD (LT) points, polylines or blocks (also part of CS LT Extension) 894kB 27.4.2023 More information  
Go to file Centroid - draw center of gravity (CG/COG) point of polylines, regions and 3D solids, incl. volumes (VLX Lisp for AutoCAD) 16.8kB 3.4.2020
V1.1
More information  
Go to file CityGML - export simple polyline outlines from DWG to CityGML XML format (VLX Lisp for AutoCAD) 17kB 19.12.2012
V1.1
   
Go to file Curve2Lin - convert any curve to segmented (poly)line, keep vertices, optimize (CS+ bonus for AutoCAD) External 16kB 4.5.2019
V1.2
   
Go to file CurveText - draw text along a curve (arc, circle, polyline...), AutoCAD LSP by A.Gumula 14.3kB 5.7.2006 Description  
Go to file DGNspline2poly - convert DGN-imported spline to 2D/3D polyline with same vertices (VLX, CS+) External 13.8kB 5.12.2018
V1.0
   
Go to file DivBreak/MMeasure - breaks polylines and curves to a defined segment number/length - combines the BREAK and DIVIDE/MEASURE (bulk Measure) commands 13kB 20.2.2023
V1.3
More information  
Go to file DrawPoly - animate drawing of any curve (VLX LISP for AutoCAD) 14kB 12.12.2017
V1.0
   
Go to file DynArea - dynamic polygon area labels (VLX LISP for AutoCAD), see also pkArea 24kB 17.5.2018
V1.0
   
Go to file ExplodeIP (VLX) - explode and inherit properties (e.g. for exploding MPolygons) 1644 6.8.2007    
Go to file FixArea13 - fix polylines with overlapping segments for Area calculations in AutoCAD 2013 (VLX LISP for AutoCAD) 13kB 6.4.2013    
Go to file FPoly - draw fixed-length polyline with options (VLX LISP for AutoCAD) 18kB 1.3.2023
V1.1
   
Go to file Hatch2L - hatch area between two boundary polylines (VLX LISP for AutoCAD) 17kB 4.1.2017
V1.0
   
Go to file HltNode - highlight polyline nodes temporarily (VLX LISP for AutoCAD) 14kB 25.11.2015
V1.0
   
Go to file LTspiral.xlsx - example of 2D spiral calculated in Excel, XY polyline ready to paste into AutoCAD LT 15519 9.3.2015 More information  
Go to file Mesh2Pt - creates 3D points in every vertex of a 3D mesh, polymesh or surface (LISP for AutoCAD) 1112 18.11.2009    
Go to file PL2ML - convert polylines (LWPOLYLINE) to multilines (MLINE) - LISP/VLX 1508 11.5.2007    
Go to file Platonic polyhedra (3D) - tetrahedron, octahedron, icosahedron (LSP for AutoCAD, by Takaya Iwamoto) 10782 17.9.2014 More information  
Go to file Platonic polyhedra unfolding: TET, HEX, OCT, DOD, ICO (LSP for AutoCAD, by Tim Urbaniak) 5486 17.9.2014    
Go to file PLDiet (PLD) - simplify LWpolylines, reduce number of vertices, weed (by B.Hailey, CAB, K.Cooper; LSP for AutoCAD) 9825 3.9.2018    
Go to file PLV - polyline vertices select - use 'PLV to specify a mask by picking (LISP for AutoCAD) 544 8.1.2010    
Go to file Pol2Cir - convert circular polylines and donuts to circles (VLX LISP for AutoCAD) 15kB 6.3.2016
V1.0
   
Go to file Polyhedra - construct 3D polyhedrons, mesh or solid (VLX LISP for AutoCAD) 80kB 3.9.2020
V1.0
   
Go to file POLYVERT - list coordinates of polyline vertices (LSP for AutoCAD) 1321 7.6.2018    
Go to file PurgeSmall - delete small elements (lines, polys, arcs, texts, blocks) from a DWG drawing file (VLX LISP for AutoCAD) 16kB 11.2.2021
V1.2
More information  
Go to file Region2Poly - convert 2D regions to polylines (VLX Lisp for AutoCAD) 12.6kB 1.3.2017
V1.1
   
Go to file RvrsLine - reverse direction of LINEs and POLYLINEs (LSP for AutoCAD) 3567 16.3.2008    
Go to file SelfIntersect - check for self-intersections, duplicate and zig-zag/retracing vertices in polylines (VLX LISP for AutoCAD) 15.5kB 30.5.2016
V1.4
More information  
Go to file SlopeTick - draw slope tickmarks (batter lines, hatches) between two polylines 15kB 8.10.2011
V1.4
   
Go to file Sp2Pl - converts selected splines to polylines (VLX Lisp for AutoCAD 2011+) 12kB 24.2.2012    
Go to file ToMulti - convert polylines to multi-lines by definitions in the .Tab file (VLX LISP for AutoCAD) 13kB 16.12.2019
V1.3
More information  
Go to file Triangle - construct triangular polylines defined by sides and angles, optional labels (VLX for AutoCAD) 17kB 1.6.2020
V1.2
   
Go to file TrimArr - trim dynamic array to polyline border, non-destructive (VLX LISP for AutoCAD) 26kB 31.5.2021
V1.0
   
Go to file VerticesBlk, EndBlk - insert block at each line or polyline vertex (also 3D; and optionally in arc midpoints, or only in endpoints) 16kB 16.7.2018
V1.6
   
Go to file VTXdist - add polyline vertices in intervals (divide/measure), VLX Lisp for AutoCAD 2.3kB 18.1.2022    
Go to file WPS - select objects inside a picked polyline or circle (LISP, AutoCAD) 1142 8.6.2015    
Other Goodies
Go to file Polypropylen water pipe library for Inventor (.idcl, 2017) 2.2MB 15.12.2016    

How to load a LISP application (.LSP/.VLX) into AutoCAD? See the Tip 7245.

Many other files also on Arkance Systems Helpdesk, CAD blocks in the Block catalog.