The best web browser 3D modelling apps open up a new world of ... There are some more standard tools for making things like simple geometry, text and so on, as well as a large library of materials ...

In all of the LittleArm versions the main mechanical components are 3D printed, and driven by 3 ... The gripper tips also feature a simple “cutout” that allow it more easily grasp horizontal ...

3D printing with plastics and resins is great ... [Brian] completes the process with a simple gravity casting method using molten aluminium. The part is then removed from the mold, and filed ...