Create the chassis
Observation of the object shows the following geometrical features :
a plane of longitudinal symmetry,
two identical recesses for the passage of the axes of the wheels,
a general shape prismatic (non-revolution cylinder perpendicular to the plane
The proposed construction chronology
There are obviously always several possible construction trees.
You can see the details by clicking on the icon-image at the top left.
How to do it with the FreeCad modeler ?
Each stage of construction is detailed below.
You will access it by clicking in the tree on the step to consult.
Webm videos are available when you see the icon .
For file size reasons, they are kept to a minimum, but you can stop or restart them by pressing SpaceKey or clicking on the video.