Re: [CAD_CAM_EDM_DRO] Turbo cad 8 -> VisualMill via .WRL files HELP !!!!

On Saturday 15 February 2003 00:05, Raymond Heckert wrote:

> Wow! that 39.4736... looks suspiciously close to how many inches in a meter
> (39.37 & some decimals) Could it be the TCv8 is set up for metric input?
> Try it: 3 / 39.37007874 does equal exactly 0.0762. I don't know that much
> about TurboCAD, as I'm a DesignCAD fan, myself. (typical disclaimer goes
> here)
> > From: Andrew Mawson <andrew@...>
> > I want to generate 3D forms to input into VisualMill Free!
> > (http://www.mecsoft.com/) in order to generate G code. The only
> > common file format between them seems to be .WRL. Objects saved
> > as .WRL (there are two types of .WRL and it happens with both) seem
> > to have their size reduced by a factor of just under 40, so a 3" edge
> > becomes 0.0762.

Yep, .wrl files are VRML, and the dimensions are in meters. three inches is
76.2mm (3 x 25.4) or 0.0762 METERS.

Good on rayhex for spotting this numerical clue!

Here's a short tutorial:
http://philliphansel.com/cybertown/vrmlbasics.htm

Your CAM program should import this fine if it's VRML input filter works
right.

Matt