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R o g C A D 3 D m o d e l i n g
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Click on a New York City
landmark for full image
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A vacation photo imported into RogCAD, being
fitted with curves to generate a rotatable
3D model of the hull.
It took about one hour to model. Turning the
wireframe model into a surfaced model, below,
took about five minutes:

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RogCAD, for DOS and Windows operating systems
Keyboard data entry CAD software, for technically
oriented users. For hobby or productivity.
If you would like to have a rotatable 3D wireframe
model of your favorite sailing vessel or building,
or perhaps of a building or object you are designing,
send RogCAD whatever specifications you have
along with a sketch or photo. I'll build you an
accurate 3D model which you can manipulate on
screen with the included copy of RogCAD for
Windows. I'll also include several screen shots of
your model in 3D surface modeling along with complete
RogCAD instructions which will help you do your
own custom design and surface modeling. If satisfied
with your model, please remit $50 to $200,
depending on the complexity of the model, at that
time.
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Recent project: BVI yacht 02/26/06
Recent project: BVI yacht 04/03/06
Recent project: BVI yacht animation
You can take a look at some output from a recent
project by clicking here. It's a proposed awning/
possible screenporch for a client's cabin. Several
variations were modeled (just one shown here) and
presented to the client, for a suggested fee of
under $400.
Here's another recent project for a house addition -
New workshop/office. 05/13/03 update.
If you would just like a copy of RogCAD, drop me
a line. (But first take a look at the How To
document, which is a brief introduction to using
RogCAD, then the instruction document
for the DOS version.)
RogCAD is available in 640 X 480 (15 colors per
palette) for DOS, and 1024 X 768 and 1600 X 1200
for Windows (both 255 colors per palette).
Here's the Windows 1024 x 768 interface:
gear cineplex
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Click image for better detail




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Projects in RogCAD are built up
mostly through the use of cubic
primitives. The user defines
a cubic shape by specifying
two diagonally opposite vertices.
RogCAD automatically supplies
the remaining six vertices as
well as the connecting lines and
planes.
These cubic elements can be
skewed, resized, rotated,
translated and repeated along
straight or curved lines.
Thus generated are things like
rows of mitered boards, windows,
or rows of buildings.
Points, lines and planes can
also be defined independently,
and are integrated with the
cubic primitive data structures,
as are curved surfaces.
Complex curved surfaces are
modeled by stretching basic
circular shapes in a variety
of directions. The boat shown
here required about two hours
of data entry.
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More about RogCAD features:
* It's strictly keyboard entry, therefore inherently
precise. Design elements fit together seamlessly.
* Data for a project is displayed collectively on screen,
allowing data entry and editing in any order.
* Can combine wireframe and surface modeling in any manner.
* Provides automatic shading for light source direction.
* Provides customizable grids and multicolor wireframe lines.
* Provides unlimited range of perspective points and
focal points, and allows you to specify these values
using 3D coordinates.
* Can overlay multiple projects.
* Provides excellent control of the color palette.
* A user can acquire the proficiency needed for doing
simple designs within 30 minutes. RogCAD can be
mastered in three days.
Limitations:
* Not compatible with any other CAD format.
* Contains no libraries of predrawn elements,
therefore not best suited for detailed
drawings of standard designs. Best suited
for accurately conveying the overall look of
an object, especially the unconventional.
* Surface modeling of curved surfaces is not
fully automatic.
* Surface modeling of complex objects needs to
be done in multiple operations.
Roger Luebeck is the author of RogCAD. It
was originally written to run on the author's
old IBM XT with the text-only monitor. The
data points had to be plotted on paper by hand
and then connected with straightedge.
From 1993 to 2001, the author developed it
into its current form. All equations, algorithms
and code comprising RogCAD were developed soley
by the author.
RogCAD code
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