SpiderBot (Hexapod) OpenSCAD Model
by clifford, published
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Description
This is an OpenSCAD Model of minds SpiderBot. The servo positions are design parameters. So you can change them and watch the SpiderBot moving. There is also some infrastructure to animate the spiderbot using OpenSCADs animate view mode.
The most recent version of this model can be checked out from the svn repository:
svn.clifford.at/handicraft/2010/spiderbot/
The most recent version of this model can be checked out from the svn repository:
svn.clifford.at/handicraft/2010/spiderbot/
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Thank you. Do you know some forum, where I could ask specific openscad modelling questions?
For example I would like to know how to specify a reference point for rotating. I would like to rotate around a specific point in the space.
Ah - there was a glitch in one of the dxf files. I've fixed it now. please check out the model from subversion when you like to render it using CGAL.
This line kills the compile and render.
translate([ axis0[0], axis0[1], -5 ]) rotate(90)
head(pos[0][0], pos[0][1]);
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License
SpiderBot (Hexapod) OpenSCAD Model by clifford is licensed under the Creative Commons - Attribution - Non-Commercial license.
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Instructions
Extract spiderbot.zip file file and open "main.scad" in OpenSCAD. You need a recent development snapshot because this design uses the mirror() statement and the lookup() function that are new since the last release.
SpiderBot (Hexapod) OpenSCAD Model by clifford is licensed under the Creative Commons - Attribution - Non-Commercial license.
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(231 kb zip file)
When I try to render using F6 (Design-
&
gt;Compile and Render(CGAL)), I have this error message:
lxx@lxxx:~/Desktop/down/openscad-2010.01.linux-x86/bin$ ./openscad
CGAL::Polyhedron_incremental_builder_3
&
lt;hds
&
gt;::
lookup_halfedge(): input error: facet 82 shares a halfedge from vertex 18 to vertex 17 with facet 30.
terminate called after throwing an instance of 'CGAL::Assertion_exception'
what(): CGAL ERROR: assertion violation!
Expr: check_protocoll == 0
File: /usr/local/include/CGAL/Polyhedron_incremental_builder_3.h
Line: 198
Terminated
lxx@lxxx:~/Desktop/down/openscad-2010.01.linux-x86/bin$
I also tried out with the last svn (r361, 2010-01-28 20:41:46 ).
The result is the same.
I use ubuntu 9.10, with an nvidia 96.43 driver, so no opengl 2.0 support (this is the latest driver what my notebooks video card support(nvidia geforce4 420Go (NV17)).
I have an another laptop with intel 4500MHD video card, but it is really buggy (half of my screen contains garbage)
I dont think it is related to this bug however.