An engineering drafting problemIn engineering and architectural drawing and drafting it often happens, that you need to reproduce a shape, a path, a trajectory or any other curve, that follows an easy (or
not) mathematical function or formula. Unfortunately, there are no tools to do that in AutoCAD. Even
the task of transferring XLS-calculated coordinates into AutoCAD can be cumbersome.Math is present everywhere in engineering and architectureIn engineering we find lots of non-straight or non-circular machine elements like cranks, all kinds of springs, cams and
levers, streamers in heat exchangers, corrugated sheet metal, tank bottoms, etc.
The same happens in architecture with construction elements like beams, columns, girders, etc. Reasons can be stress relief, material optimization, space availability, or even esthetics. Building arches, ammunition and missile warheads, Projectile motion [Oblique throw], Simple harmonic motion, Fourier series, space orbits, Guilloché patterns, harmonograph figures, mathematic roses, Rosetta orbits, Roulette curves, Tusi couples, filigrees, spirals, hypotrochoids and epitrochoids, and Lissajous curves are some more examples. Further examples are also catenary curves, gear profiles, helical augers, cross sections of plane wings or of ship hulls, etc. All they follow mathematical principles and formulas. Actually, any physics or engineering phenomenon can be expressed mathematically. Another possible and obvious use is… Function Analysis in Calculus. |
Drawing aids: real world vs. CAD-system worldIn the real world there are different drawing aids (in addition to rules, compasses and protractors) as curved
rules (French curves), flexible rules, all sort of templates, etc. In the same way, in your CAD system you would
expect to have tools to draw spirals, sinusoid curves, parables, or any mathematical shape, regardless of its complexity.You would also like to have a tool to transfer a set of XLS-calculated 2D or 3D coordinates into AutoCAD, to draw a POLYLINE in
few seconds and with just some few clicks.LiMATH features and capabilitiesWe are working on an AutoCAD / GStarCAD add-on program solution that will easily perform all this. Some features of this tool will be: - 2D curves (as functions of x or an angle, or parametric curves)
- 3D curves (as functions of x and y, or parametric 3D curves)
- 3D surfaces (as functions of x and y, or parametric 3D surfaces)
- Spirograph: hypotrochoids and epitrochoids
- Excel to AutoCAD (export 2D and 3D coordinate points [e.g., calculated in MS Excel] into AutoCAD as a polyline or as a set of points)
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LiMATH |
Home |
BricsCAD & ZWCad |
Patterns |
FREE TRIAL |
FAQs |
CASE STUDIES |
FULL version |
Español |
Deutsch

An engineering drafting problemIn engineering and architectural drawing and drafting it often happens, that you need to reproduce a shape, a path, a trajectory or any other curve, that follows an easy (or
not) mathematical function or formula. Unfortunately, there are no tools to do that in AutoCAD. Even
the task of transferring XLS-calculated coordinates into AutoCAD can be cumbersome.Math is present everywhere in engineering and architectureIn engineering we find lots of non-straight or non-circular machine elements like cranks, all kinds of springs, cams and
levers, streamers in heat exchangers, corrugated sheet metal, tank bottoms, etc.
The same happens in architecture with construction elements like beams, columns, girders, etc. Reasons can be stress relief, material optimization, space availability, or even esthetics. Building arches, ammunition and missile warheads, Projectile motion [Oblique throw], Simple harmonic motion, Fourier series, space orbits, Guilloché patterns, harmonograph figures, mathematic roses, Rosetta orbits, Roulette curves, Tusi couples, filigrees, spirals, hypotrochoids and epitrochoids, and Lissajous curves are some more examples. Further examples are also catenary curves, gear profiles, helical augers, cross sections of plane wings or of ship hulls, etc. All they follow mathematical principles and formulas. Actually, any physics or engineering phenomenon can be expressed mathematically. Another possible and obvious use is… Function Analysis in Calculus. Drawing aids: real world vs. CAD-system worldIn the real world there are different drawing aids (in addition to rules, compasses and protractors) as curved
rules (French curves), flexible rules, all sort of templates, etc. In the same way, in your CAD system you would
expect to have tools to draw spirals, sinusoid curves, parables, or any mathematical shape, regardless of its complexity.You would also like to have a tool to transfer a set of XLS-calculated 2D or 3D coordinates into AutoCAD, to draw a POLYLINE in
few seconds and with just some few clicks.LiMATH features and capabilitiesWe are working on an AutoCAD / GStarCAD add-on program solution that will easily perform all this. Some features of this tool will be: - 2D curves (as functions of x or an angle, or parametric curves)
- 3D curves (as functions of x and y, or parametric 3D curves)
- 3D surfaces (as functions of x and y, or parametric 3D surfaces)
- Spirograph: hypotrochoids and epitrochoids
- Excel to AutoCAD (export 2D and 3D coordinate points [e.g., calculated in MS Excel] into AutoCAD as a polyline or as a set of points)
LITIO.si - More than 15 years of innovative CAD-systems solutions |