Questions tagged [3d-model]

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Importing 3D files in Webots

I am trying to import a 3D model of a Humanoid robot into Webots, I tried to import the whole model as an OBJ file using the CAD shape node or a shape node with a mesh node. Still, in both cases, the ...
Ahmed Samir's user avatar
1 vote
1 answer
27 views

How to change the triangle limit in Webots that prevents shadows from a cadshape?

I am trying to get reasonable fidelity on a vehicle body I add as a shape to a vehicle. I model in Alias or Fusion and have good surface quality and don't want to lose that when my vehicle (robot) is ...
Doug Frasher's user avatar
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1 answer
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Rotation of a point in 3D space

I want to rotate a point (3,4,5) by an angle 45 degrees(0.785398 rad) in 3D space. I have used the standard DCM matrix in the order Rx, Ry and Rz. Where, theta = 0.785398, Rx= ( [ 1, 0, 0] [ 0, cos(...
Tanvi Sawant's user avatar
1 vote
1 answer
1k views

How to import 3D models in Webots?

I have 3D models with UV mapping and textures in Blender and I would like to import them in Webots. Can you please recommend the best way to do this?
Olivier Michel's user avatar
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1 answer
108 views

3D path planning for coverage of a given surface

I have a 3D model of a complex object. I have been able to generate all possible points that are around 1 m away from the surface of any part of the object, so the collision is not possible: Now my ...
Ekci's user avatar
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2 votes
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What inertial information can I get from a SolidWorks object for simulation in MuJoCo?

MuJoCo needs me to enter the position of the inertial frame and the diagonal of the inertial matrix, (if I understand correctly). I'm not sure how to get this information from SolidWorks. This object ...
Ant's user avatar
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1 answer
193 views

Rack and Pinion Gear for CNC

I am trying to build a small 3D printed CNC machine but can't afford lead screws as of now. I need to 3D print a lead screw or use a rack and pinion gear system. I am a little skeptical able the rack ...
DragonflyRobotics's user avatar
1 vote
2 answers
154 views

3D reconstruction of a moving object from two camera video stream

I have two synchronized video streams of a moving deformable object from two different cameras (same brand/model type) but two different views. How can I do the 3D reconstruction of this moving object?...
Mona Jalal's user avatar
1 vote
1 answer
84 views

How to tringulate many projections of a point to optimal postion?

Suppose we have many images for the same scene (with known poses already,using for ex: a GPS ), and the same feature appear in more than 2 images . How to use all the available info to compute as ...
Yasin Yousif's user avatar
0 votes
2 answers
391 views

What software can I use to 3d model and simulate my robot?

I would like to know if there is any software that I can 3d model my robot and insert that model into some sort of simulation software where I can run AI related code(in python). Any suggestions would ...
user avatar
1 vote
1 answer
706 views

Off position robot model - Inverse Kinematics

I had to make a Unity3D robot model(ABB IRB 1600-6R/6DOF), that given a desired end effector transformation matrix, it would calculate and rotate the robot joints to the appropriate angles(Inverse ...
hey's user avatar
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1 vote
1 answer
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Scale factor of a 3d robot model relative to the real measurements of a robot

I have some measurements of a real life robot, and a 3d model of that robot (lets say in Unity) and I want to know the scale factor, plus I dont want to find the 3d models measurements and then divide ...
hey's user avatar
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3 votes
1 answer
216 views

Do DH parameters change for a scaled robot 3d model?

I have the actual DH parameters of a robot: d1 = 0.4865 m d2 = 0.600 m d3 = 0.065 m a1 = 0.150 m a2 = 0.475 m all other di's and ai's are zero. Can I use these ...
hey's user avatar
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0 votes
1 answer
49 views

Is Venetian mirror possible in Autodesk Inventor? [closed]

I see there are things like glass and mirror in Autodesk Inventor Professional 2016 but is there a possibility to have Venetian mirror? So that from one side it would look like a mirror and from the ...
Defozo's user avatar
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1 vote
0 answers
572 views

Recommendation for 3D mechanism modeling and simulation software

I'm working on a robotic hand and I would like to simulate different joints and tendon insertion points before starting to actually build it. I've been googling and found things like Solidworks and ...
jotadepicas's user avatar
3 votes
1 answer
96 views

3D scanner from Phone Camera

123D software can construct a 3D model from photos taken from your phone. It doesn't process the photos in your phone. Instead, it sends them to the cloud to create 3d model. How can i construct a 3d ...
acs's user avatar
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