Software for modelers

Most of the programs below are written in Turbo Pascal for MS-DOS. They also work under all Windows up to XP. Newer versions are without warranty; the 32b versions should be OK, but I haven't tested there. In case of problems use some DOS emulator like DOSBOX or DOSEMU. Or look at the source code, dig out the algorithms and rewrite them for other environment (and don't be shy, disclose the results ;-) ).

Except the scale calculator, all on-screen texts are in Czech. Translation wouldn't be a problem, but I'm too lazy to do it without someone really wanting it. So tell me if you do.


Cone unfolder (ZIP, 7 kB) - enter dimensions of a cone (normal or truncated) and you get the radii and angle of the unfolded shape. Screenshot.


Cool Wheels (ZIP, 7 kB) - 3D tyre sides quickly and easily. Type in the desired tyre dimensions and it will tell you what to draw to get a nicely "inflated" shape. Screenshot.


Windows-based version of the previous two programs (ZIP, 138 kB) - the same in a neat graphic shell. Created by Ed. Screenshot 1, screenshot 2.


Cylinder cutter (ZIP, 17 kB) - program for unrolling a cylinder sliced by a planar surface under a given angle. Generates a table of point coordinates which you use to draw the part. Screenshot.


Intersector (ZIP, 25 kB) - program for unrolling a cylinder intersected by another cylinder in any relative position. Generates a BMP image which you can directly print, cut out and glue.


Scale calculator (XLS, 19 kB) - Excel table with several useful functions: basic calculations of dimensions, calculation of print scale (and a correction for when the print ends up with different size than we expected), calculations with DPI and determining scale for export vector DWG to bitmap. Fully English. Created in Excel 97. There is a Czech version as well.


AutoCAD line thickness gauge (ZIP, 5 kB) - because lines on the monitor look different than those printed on paper, it is good to print a test page first. This DWG file contains specimens of all available thicknesses from 0.0 to 0.8.

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