Hi Kfir,
On Mar 24, 2010, at 1:36 PM, Kfir Lavi wrote:
> I have created the structure I want to build from wood. It is a
> wheel jig for building and truing bicycle wheels.
> Is there an easy way to print all the pieces, for marking them on
> the wood board for cutting?
I'd suggest using the "rtedge" tool to render outline drawings for
each orientation, then print those images. Here is an example workflow:
# display the 'jig' object
draw jig
# go to a top view
top
# get the bounding box size, get the longest X/Y/Z length to set the
view to a consistent size
bb jig
# set a consistent view size so it'll print with a consistent scale,
number will probably be different than 1000
view size 1000
rtedge -W
# if that looks good, then render a higher-quality version to file
rtedge -W -s2048 -ojig_top.pix
left
rtedge -W -s2048 -ojig_left.pix
front
rtedge -W -s2048 -ojig_front.pix
# ... etc ...
Outside of mged:
# convert from pix format to png format
pix-png -s2048 jig_top.pix > jig_top.png
pix-png -s2048 jig_left.pix > jig_left.png
.. etc ..
Then you can print the png file using any favorite image viewer.
There are equivalent steps for all of the above through the GUI as
well that involve the Geometry Browser (under tools) and the Raytrace
Control Panel.
> Is there a way to build a arb6 specifying degrees? like 90 60 30?
I'm not aware of such a command, but there is the 3ptarb command
which will create an arb6 based on a simplified set of parameters.
Example using the x/y plane and z for thickness:
mged> 3ptarb
Enter name for this arb: wedge
Enter X, Y, Z for point 1: 0 0 0
Enter X, Y, Z for point 2: 100 0 0
Enter X, Y, Z for point 3: 0 100 0
Enter coordinate to solve for (x, y, or z): z
Enter the X, Y coordinate values: 0 0
Enter thickness for this arb: 200
mged> l wedge
wedge: ARB6
1 (0, 0, 0)
2 (100, 0, 0)
3 (0, 100, 0)
4 (0, 0, 0)
5 (0, 0, 200)
6 (0, 100, 200)
> Can I build every wood part with the same width? Without every time
> specifying it. I'm cutting it from a 17mm wide plate.
Create your wood plate as geometry. Then intersect (+ operator) each
part shape with the plate. That way, you just have to make sure your
parts are thick enough, but won't have to worry about getting things
exact.
Cheers!
Sean
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