Pros
EWDraw is so good for CAD,3D.It support boolean operation,light rendering,push/pull...etc.
Cons
I need a Spain's help
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Pros
Functions is very comprehensive, easy programming, and supports 64-bit programs.
Cons
Interface of examples can do better
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Pros
This is a very nice 3D component, including almost all commonly used CAD 3D modeling functions.also easy to use.
Cons
Improve help file
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Pros
Up to now,I think this is the best I've ever seen 3D controls.This 3D ActiveX even support boolean operation,sweep,pipe,prism,shell,regsions,push/pull,print, etc... and runs fast.It's a complete CAD system.
Other,the installation package includes a fun game, my son loves.
I was wondering if this control is to write a game? If yes, it would be great.
Cons
QT sample few
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Pros
the control have powerful functions for make a 3D object.even includes push/pull like sketchup. and it can create a 3D solid or complex surfaces from network of curves.
Cons
user's manual is not perfect
Summary
The control is very good,and functions is powerful,it is a standard CAD system.But the user's manual not enough detail. hope for a better user manual.
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Pros
Importing and Exporting STEP files.
Ability to explode solid model down to basic primitives, Lines, Arcs, B-Splines etc
Uses OpenGL for displaying.
Cons
No online bug list, or bug submission.
No online forum.
Help is getting better but still needs work.
Resizing the control in Delphi does not work well.
Summary
Overall this product is nearly there.
I have managed to create a program that allows the design of box and tube for a Tube Cutting machine. I create the parts and unroll them, and create NC data for the machine.
The 3D rendering engine could be improved to allow for materials, lights etc.
You can import an STL file but you cannot access its data.
I have found workarounds for the following bugs and missing functionality...
The control does not correctly resize in a Delphi form( I do not know if this is the same for other compilers).
No Interpolation of B-Splines/Nurbs/Arcs/Circles/Lines/ellipses.
B-Spline information returned will not tell you if part is sliced.
The Join command can fail (when certain data is present).
Updated on Apr 16, 2014
This product has matured well since I last looked at it. A great way of dropping bespoke CAD functionality into a program.
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Pros
It create almost 3D solid.It can support Boolean operation:Union,Subtract,Intersect
And it can support layer,transparency.
Cons
It have a few VC sample.I need more.
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